{"id":17639,"date":"2025-11-08T09:17:34","date_gmt":"2025-11-08T09:17:34","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=17639"},"modified":"2025-11-10T04:13:42","modified_gmt":"2025-11-10T04:13:42","slug":"magnetism-top-100-mcqs-with-answer-and-explanation-2","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2025\/11\/08\/magnetism-top-100-mcqs-with-answer-and-explanation-2\/","title":{"rendered":"Magnetism Top 100 MCQs With Answer and Explanation"},"content":{"rendered":"\n

1. The study of magnets and magnetic materials is called<\/mark><\/strong>
A) Magnetism
B) Electromagnetism
C) Electrostatics
D) Electricity
Answer:<\/strong> A) Magnetism
Explanation:<\/strong> Magnetism is the branch of physics that deals with magnetic forces, fields, and materials.<\/p>\n\n\n\n

2. A magnet attracts<\/mark><\/strong>
A) Iron, cobalt, and nickel
B) Copper and aluminium
C) Silver and gold
D) Wood and plastic
Answer:<\/strong> A) Iron, cobalt, and nickel
Explanation:<\/strong> These are magnetic materials that are strongly attracted to magnets.<\/p>\n\n\n\n

3. The substances which are attracted by a magnet are called<\/mark><\/strong>
A) Magnetic substances
B) Non-magnetic substances
C) Insulators
D) Conductors
Answer:<\/strong> A) Magnetic substances<\/p>\n\n\n\n

4. The substances which are not attracted by a magnet are called<\/mark><\/strong>
A) Non-magnetic substances
B) Magnetic substances
C) Conductors
D) Ferromagnetic substances
Answer:<\/strong> A) Non-magnetic substances<\/p>\n\n\n\n

5. The two poles of a magnet are<\/mark><\/strong>
A) North and South
B) East and West
C) Top and Bottom
D) Positive and Negative
Answer:<\/strong> A) North and South<\/p>\n\n\n\n

6. Like poles of a magnet<\/mark><\/strong>
A) Repel each other
B) Attract each other
C) Neutralize each other
D) Combine
Answer:<\/strong> A) Repel each other<\/p>\n\n\n\n

7. Unlike poles of a magnet<\/mark><\/strong>
A) Attract each other
B) Repel each other
C) Become neutral
D) Lose magnetism
Answer:<\/strong> A) Attract each other<\/p>\n\n\n\n

8. When a bar magnet is freely suspended, it always points<\/mark><\/strong>
A) North\u2013South direction
B) East\u2013West direction
C) Random direction
D) Toward Earth\u2019s center
Answer:<\/strong> A) North\u2013South direction
Explanation:<\/strong> Because of Earth\u2019s magnetic field, one pole points north and the other south.<\/p>\n\n\n\n

9. The end of a magnet pointing towards the north is called<\/mark><\/strong>
A) North pole
B) South pole
C) Magnetic center
D) Axis
Answer:<\/strong> A) North pole<\/p>\n\n\n\n

10. The end pointing toward the south is called<\/mark><\/strong>
A) South pole
B) North pole
C) Magnetic axis
D) Magnetic center
Answer:<\/strong> A) South pole<\/p>\n\n\n\n

11. The line joining the poles of a magnet is called<\/mark><\/strong>
A) Magnetic axis
B) Magnetic meridian
C) Magnetic field
D) Dip line
Answer:<\/strong> A) Magnetic axis<\/p>\n\n\n\n

12. The imaginary line joining Earth\u2019s magnetic poles is called<\/mark><\/strong>
A) Magnetic axis of Earth
B) Equator
C) Rotational axis
D) Magnetic equator
Answer:<\/strong> A) Magnetic axis of Earth<\/p>\n\n\n\n

13. The region around a magnet in which its influence can be felt is called<\/strong>
<\/mark>A) Magnetic field
B) Magnetic pole
C) Electric field
D) Axis
Answer:<\/strong> A) Magnetic field<\/p>\n\n\n\n

14. Magnetic field lines always emerge from<\/strong>
<\/mark>A) North pole and enter South pole
B) South pole and enter North pole
C) Center of magnet
D) Randomly
Answer:<\/strong> A) North pole and enter South pole<\/p>\n\n\n\n

15. The magnetic field lines never<\/strong>
<\/mark>A) Intersect
B) Bend
C) Spread
D) End
Answer:<\/strong> A) Intersect
Explanation:<\/strong> Because the direction of field at a point is unique.<\/p>\n\n\n\n

16. The region where magnetic force is strongest is<\/strong>
<\/mark>A) Near poles
B) Middle of magnet
C) Outside magnet
D) Everywhere equal
Answer:<\/strong> A) Near poles<\/p>\n\n\n\n

17. The Earth behaves like a<\/strong>
<\/mark>A) Giant magnet
B) Metal sphere
C) Conductor
D) Battery
Answer:<\/strong> A) Giant magnet<\/p>\n\n\n\n

18. The imaginary line along which a compass needle aligns is called<\/strong>
<\/mark>A) Magnetic meridian
B) Geographic meridian
C) Equator
D) Parallel
Answer:<\/strong> A) Magnetic meridian<\/p>\n\n\n\n

19. The angle between magnetic meridian and geographic meridian is<\/strong>
<\/mark>A) Magnetic declination
B) Dip
C) Latitude
D) Longitude
Answer:<\/strong> A) Magnetic declination<\/p>\n\n\n\n

20. The angle made by a freely suspended magnet with the horizontal is called<\/strong>
<\/mark>A) Angle of dip
B) Declination
C) Latitude
D) Inclination
Answer:<\/strong> A) Angle of dip<\/p>\n\n\n\n

21. The instrument used to detect the direction of magnetic field is<\/strong>
<\/mark>A) Compass needle
B) Voltmeter
C) Barometer
D) Electroscope
Answer:<\/strong> A) Compass needle<\/p>\n\n\n\n

22. Magnetic field lines are crowded where<\/strong>
<\/mark>A) The field is strong
B) Field is weak
C) Poles are far apart
D) There is no magnetism
Answer:<\/strong> A) The field is strong<\/p>\n\n\n\n

23. The magnetic field inside a magnet goes from<\/strong>
<\/mark>A) South to North
B) North to South
C) East to West
D) Randomly
Answer:<\/strong> A) South to North<\/p>\n\n\n\n

24. A freely suspended magnet rests in<\/strong>
<\/mark>A) Magnetic meridian
B) Vertical plane
C) Horizontal plane
D) Random plane
Answer:<\/strong> A) Magnetic meridian<\/p>\n\n\n\n

25. The magnetism of Earth is due to<\/strong>
<\/mark>A) Circulating currents in molten iron core
B) Rotation of Earth only
C) Gravitational force
D) Tides
Answer:<\/strong> A) Circulating currents in molten iron core<\/p>\n\n\n\n

26. The north pole of Earth\u2019s magnetic field is located near<\/strong>
<\/mark>A) Geographic south pole
B) Geographic north pole
C) Equator
D) Core
Answer:<\/strong> A) Geographic south pole<\/p>\n\n\n\n

27. The south pole of Earth\u2019s magnetic field is near<\/strong>
<\/mark>A) Geographic north pole
B) Geographic south pole
C) Equator
D) Tropic of Cancer
Answer:<\/strong> A) Geographic north pole<\/p>\n\n\n\n

28. When a bar magnet is broken into two equal parts<\/strong>
<\/mark>A) Each part becomes a magnet
B) Only one part remains magnetic
C) Magnetism disappears
D) Poles are lost
Answer:<\/strong> A) Each part becomes a magnet<\/p>\n\n\n\n

29. The point where the magnetic force appears to be concentrated is called<\/strong>
<\/mark>A) Pole
B) Axis
C) Field line
D) Meridian
Answer:<\/strong> A) Pole<\/p>\n\n\n\n

30. The space around a magnet where its influence can be felt is<\/strong>
<\/mark>A) Magnetic field
B) Electric field
C) Gravitational field
D) Thermal field
Answer:<\/strong> A) Magnetic field<\/p>\n\n\n\n

31. Magnetic materials are those which<\/strong>
<\/mark>A) Are attracted by magnets
B) Repel magnets
C) Have no poles
D) Produce sound
Answer:<\/strong> A) Are attracted by magnets<\/p>\n\n\n\n

32. Example of non-magnetic materials is<\/strong>
<\/mark>A) Wood and copper
B) Iron and cobalt
C) Nickel and steel
D) Iron and cobalt
Answer:<\/strong> A) Wood and copper<\/p>\n\n\n\n

33. Temporary magnets are<\/strong>
<\/mark>A) Soft iron magnets
B) Steel magnets
C) Natural magnets
D) Compass magnets
Answer:<\/strong> A) Soft iron magnets<\/p>\n\n\n\n

34. Permanent magnets are made from<\/strong>
<\/mark>A) Steel
B) Soft iron
C) Aluminium
D) Copper
Answer:<\/strong> A) Steel<\/p>\n\n\n\n

35. A freely suspended magnetic needle aligns itself<\/strong>
<\/mark>A) Along the north\u2013south direction
B) East\u2013west
C) Randomly
D) Vertically
Answer:<\/strong> A) Along the north\u2013south direction<\/p>\n\n\n\n

36. The natural magnets are made of<\/strong>
<\/mark>A) Lodestone
B) Steel
C) Iron
D) Copper
Answer:<\/strong> A) Lodestone<\/p>\n\n\n\n

37. Lodestone is another name for<\/strong>
<\/mark>A) Magnetite
B) Hematite
C) Graphite
D) Quartz
Answer:<\/strong> A) Magnetite<\/p>\n\n\n\n

38. Artificial magnets are made from<\/strong>
<\/mark>A) Steel or iron
B) Plastic
C) Paper
D) Wood
Answer:<\/strong> A) Steel or iron<\/p>\n\n\n\n

39. The strength of a magnet is maximum<\/strong>
<\/mark>A) At its poles
B) At its center
C) Everywhere equal
D) None
Answer:<\/strong> A) At its poles<\/p>\n\n\n\n

40. A magnetic needle placed at Earth\u2019s magnetic equator stays<\/strong>
<\/mark>A) Horizontal
B) Vertical
C) Inclined
D) At random angle
Answer:<\/strong> A) Horizontal<\/p>\n\n\n\n

41. A magnetic needle at the poles of the Earth will be<\/strong>
<\/mark>A) Vertical
B) Horizontal
C) Inclined
D) Flat
Answer:<\/strong> A) Vertical<\/p>\n\n\n\n

42. The direction of magnetic field at a point is given by<\/mark><\/strong>
A) The tangent to the magnetic field line
B) The length of field line
C) The distance between poles
D) The strength of pole
Answer:<\/strong> A) The tangent to the magnetic field line<\/p>\n\n\n\n

43. Magnetic field lines never start or end in space because<\/mark><\/strong>
A) Magnetic monopoles do not exist
B) Field is weak
C) Field lines are imaginary
D) Earth\u2019s field interferes
Answer:<\/strong> A) Magnetic monopoles do not exist<\/p>\n\n\n\n

44. Magnetic induction is the process of<\/mark><\/strong>
A) Magnetizing an object by another magnet
B) Electric charging
C) Heating
D) Cooling
Answer:<\/strong> A) Magnetizing an object by another magnet<\/p>\n\n\n\n

45. A magnetic substance loses magnetism when<\/mark><\/strong>
A) Heated strongly or hammered
B) Cooled
C) Polished
D) Rotated
Answer:<\/strong> A) Heated strongly or hammered<\/p>\n\n\n\n

46. Demagnetization means<\/mark><\/strong>
A) Loss of magnetism
B) Gaining magnetism
C) Attraction of magnets
D) Creation of magnet
Answer:<\/strong> A) Loss of magnetism<\/p>\n\n\n\n

47. Magnetism can be destroyed by<\/mark><\/strong>
A) Heating or hammering
B) Cooling
C) Painting
D) Rubbing
Answer:<\/strong> A) Heating or hammering<\/p>\n\n\n\n

48. The process of making a magnet from a magnetic material is called<\/mark><\/strong>
A) Magnetization
B) Demagnetization
C) Polarization
D) Induction
Answer:<\/strong> A) Magnetization<\/p>\n\n\n\n

49. The magnetic field of a bar magnet is strongest<\/mark><\/strong>
A) Near the poles
B) At the center
C) Between poles
D) Outside field
Answer:<\/strong> A) Near the poles<\/p>\n\n\n\n

50. The instrument used to find direction is<\/mark><\/strong>
A) Magnetic compass
B) Barometer
C) Voltmeter
D) Ammeter
Answer:<\/strong> A) Magnetic compass<\/p>\n\n\n\n

51. The magnet used in a compass is a<\/mark><\/strong>
A) Small bar magnet
B) Electromagnet
C) Temporary magnet
D) Cylindrical magnet
Answer:<\/strong> A) Small bar magnet
Explanation:<\/strong> A compass needle is a small, freely suspended bar magnet that aligns with Earth\u2019s field.<\/p>\n\n\n\n

52. The property of a magnet by which it always points north\u2013south direction is called<\/mark><\/strong>
A) Directive property
B) Attractive property
C) Magnetic moment
D) Polarity
Answer:<\/strong> A) Directive property<\/p>\n\n\n\n

53. The property of a magnet to attract magnetic materials is called<\/strong>
<\/mark>A) Attractive property
B) Directive property
C) Permanent property
D) Inductive property
Answer:<\/strong> A) Attractive property<\/p>\n\n\n\n

54. The process of making a magnet using electricity is called<\/strong>
<\/mark>A) Electromagnetism
B) Magnetization
C) Induction
D) Static magnetism
Answer:<\/strong> A) Electromagnetism<\/p>\n\n\n\n

55. An electromagnet works on the principle of<\/strong>
<\/mark>A) Magnetic effect of electric current
B) Heating effect of current
C) Static electricity
D) Friction
Answer:<\/strong> A) Magnetic effect of electric current<\/p>\n\n\n\n

56. The strength of an electromagnet depends on<\/strong>
<\/mark>A) Current and number of turns in the coil
B) Shape of the coil only
C) Color of wire
D) Type of insulation
Answer:<\/strong> A) Current and number of turns in the coil<\/p>\n\n\n\n

57. The core material used in electromagnets is<\/strong>
<\/mark>A) Soft iron
B) Steel
C) Copper
D) Aluminium
Answer:<\/strong> A) Soft iron
Explanation:<\/strong> Soft iron magnetizes easily and loses magnetism quickly, suitable for electromagnets.<\/p>\n\n\n\n

58. Permanent magnets are made from<\/strong>
<\/mark>A) Hard steel
B) Soft iron
C) Copper
D) Zinc
Answer:<\/strong> A) Hard steel
Explanation:<\/strong> Steel retains magnetism for a long time.<\/p>\n\n\n\n

59. The device used to lift heavy iron objects is<\/strong>
<\/mark>A) Electromagnet
B) Bar magnet
C) Horseshoe magnet
D) Compass
Answer:<\/strong> A) Electromagnet<\/p>\n\n\n\n

60. Electromagnets are used in<\/strong>
<\/mark>A) Electric bells and cranes
B) Fans and bulbs
C) Heaters
D) Clocks
Answer:<\/strong> A) Electric bells and cranes<\/p>\n\n\n\n

61. A magnetic material that is weakly attracted by a magnet is<\/strong>
<\/mark>A) Paramagnetic
B) Diamagnetic
C) Ferromagnetic
D) Non-magnetic
Answer:<\/strong> A) Paramagnetic<\/p>\n\n\n\n

62. The materials strongly attracted by magnets are called<\/strong>
<\/mark>A) Ferromagnetic
B) Diamagnetic
C) Non-magnetic
D) Semiconductor
Answer:<\/strong> A) Ferromagnetic<\/p>\n\n\n\n

63. The materials weakly repelled by magnets are called<\/strong>
<\/mark>A) Diamagnetic
B) Paramagnetic
C) Ferromagnetic
D) Magnetic
Answer:<\/strong> A) Diamagnetic<\/p>\n\n\n\n

64. Example of a ferromagnetic material is<\/strong>
<\/mark>A) Iron
B) Copper
C) Aluminium
D) Glass
Answer:<\/strong> A) Iron<\/p>\n\n\n\n

65. Example of a diamagnetic material is<\/strong>
<\/mark>A) Bismuth
B) Iron
C) Nickel
D) Cobalt
Answer:<\/strong> A) Bismuth<\/p>\n\n\n\n

66. Example of a paramagnetic material is<\/strong>
<\/mark>A) Aluminium
B) Copper
C) Silver
D) Zinc
Answer:<\/strong> A) Aluminium<\/p>\n\n\n\n

67. The region around a current-carrying conductor has<\/strong>
<\/mark>A) Magnetic field
B) Electric charge
C) Heat
D) Pressure
Answer:<\/strong> A) Magnetic field<\/p>\n\n\n\n

68. The direction of magnetic field around a straight conductor is given by<\/strong>
<\/mark>A) Right-hand thumb rule
B) Fleming\u2019s left-hand rule
C) Lenz\u2019s law
D) Faraday\u2019s law
Answer:<\/strong> A) Right-hand thumb rule<\/p>\n\n\n\n

69. In the right-hand thumb rule, the thumb indicates<\/strong>
<\/mark>A) Current direction
B) Field direction
C) Electron flow
D) Force direction
Answer:<\/strong> A) Current direction<\/p>\n\n\n\n

70. The curling fingers in the right-hand rule indicate<\/strong>
<\/mark>A) Magnetic field direction
B) Electric field direction
C) Current direction
D) Electron flow
Answer:<\/strong> A) Magnetic field direction<\/p>\n\n\n\n

71. The magnetic field around a current-carrying solenoid is similar to<\/strong>
<\/mark>A) A bar magnet
B) A coil
C) A straight wire
D) A sphere
Answer:<\/strong> A) A bar magnet
Explanation:<\/strong> One end acts as a north pole and the other as a south pole.<\/p>\n\n\n\n

72. The device that converts electrical energy into mechanical energy using magnetism is<\/strong>
<\/mark>A) Electric motor
B) Generator
C) Transformer
D) Cell
Answer:<\/strong> A) Electric motor<\/p>\n\n\n\n

73. The device that converts mechanical energy into electrical energy using magnetism is<\/strong>
<\/mark>A) Generator
B) Motor
C) Battery
D) Transformer
Answer:<\/strong> A) Generator<\/p>\n\n\n\n

74. The magnetic effect produced by current was discovered by<\/strong>
<\/mark>A) Hans Christian Oersted
B) Michael Faraday
C) Ampere
D) Maxwell
Answer:<\/strong> A) Hans Christian Oersted<\/p>\n\n\n\n

75. The Earth\u2019s magnetic field helps in<\/strong>
<\/mark>A) Navigation using compass
B) Lighting
C) Heating
D) Power generation
Answer:<\/strong> A) Navigation using compass<\/p>\n\n\n\n

76. The magnetic field of Earth is caused by<\/strong>
<\/mark>A) Motion of molten iron in Earth\u2019s core
B) The sun\u2019s heat
C) Atmospheric pressure
D) Moon\u2019s gravity
Answer:<\/strong> A) Motion of molten iron in Earth\u2019s core<\/p>\n\n\n\n

77. The strength of Earth\u2019s magnetic field is greatest at<\/strong>
<\/mark>A) Poles
B) Equator
C) Center
D) Tropic
Answer:<\/strong> A) Poles<\/p>\n\n\n\n

78. The strength of Earth\u2019s magnetic field is least at<\/strong>
<\/mark>A) Equator
B) Poles
C) Core
D) Tropics
Answer:<\/strong> A) Equator<\/p>\n\n\n\n

79. The north pole of a magnet is attracted toward<\/strong>
<\/mark>A) Earth\u2019s magnetic south pole (near geographic north)
B) Earth\u2019s magnetic north pole
C) Geographic south
D) Magnetic equator
Answer:<\/strong> A) Earth\u2019s magnetic south pole (near geographic north)<\/p>\n\n\n\n

80. A freely suspended magnet aligns itself<\/strong>
<\/mark>A) Along Earth\u2019s magnetic field
B) Along Earth\u2019s axis
C) Randomly
D) Vertically
Answer:<\/strong> A) Along Earth\u2019s magnetic field<\/p>\n\n\n\n

81. The angle made by magnetic field lines with the horizontal is called<\/strong>
<\/mark>A) Angle of dip
B) Declination
C) Inclination
D) Latitude
Answer:<\/strong> A) Angle of dip<\/p>\n\n\n\n

82. The angle between magnetic north and true north is<\/strong>
<\/mark>A) Magnetic declination
B) Dip
C) Latitude
D) Altitude
Answer:<\/strong> A) Magnetic declination<\/p>\n\n\n\n

83. The total magnetic field of Earth is called<\/strong>
<\/mark>A) Magnetic intensity
B) Magnetic moment
C) Magnetic element
D) Earth\u2019s magnetism
Answer:<\/strong> D) Earth\u2019s magnetism<\/p>\n\n\n\n

84. A freely suspended magnetic needle at poles will stand<\/strong>
<\/mark>A) Vertically
B) Horizontally
C) Inclined
D) Random
Answer:<\/strong> A) Vertically<\/p>\n\n\n\n

85. Magnetic materials lose their magnetism when<\/strong>
<\/mark>A) Heated above Curie temperature
B) Cooled
C) Kept in magnetic field
D) Placed in air
Answer:<\/strong> A) Heated above Curie temperature<\/p>\n\n\n\n

86. The phenomenon of a magnetic needle deflecting near a current-carrying wire shows<\/strong>
<\/mark>A) Current produces a magnetic field
B) Heat is produced
C) Electricity stops
D) No effect
Answer:<\/strong> A) Current produces a magnetic field<\/p>\n\n\n\n

87. Magnetic field strength decreases when<\/strong>
<\/mark>A) Distance from magnet increases
B) Magnet is strong
C) Magnet is new
D) Distance is small
Answer:<\/strong> A) Distance from magnet increases<\/p>\n\n\n\n

88. The unit of magnetic field strength is<\/strong>
<\/mark>A) Tesla
B) Newton
C) Watt
D) Ampere
Answer:<\/strong> A) Tesla<\/p>\n\n\n\n

89. A solenoid carrying current behaves as<\/strong>
<\/mark>A) A bar magnet
B) Conductor
C) Insulator
D) Resistor
Answer:<\/strong> A) A bar magnet<\/p>\n\n\n\n

90. The polarity of an electromagnet can be changed by<\/strong>
<\/mark>A) Reversing current direction
B) Increasing resistance
C) Changing core
D) Cooling
Answer:<\/strong> A) Reversing current direction<\/p>\n\n\n\n

91. The strength of an electromagnet can be increased by<\/strong>
<\/mark>A) Increasing current or number of turns
B) Using copper core
C) Decreasing current
D) Cooling
Answer:<\/strong> A) Increasing current or number of turns<\/p>\n\n\n\n

92. The principle of an electric bell is<\/strong>
<\/mark>A) Magnetic effect of current
B) Heating effect
C) Light effect
D) Chemical effect
Answer:<\/strong> A) Magnetic effect of current<\/p>\n\n\n\n

93. The part of an electric bell that acts as an electromagnet is<\/strong>
<\/mark>A) Coil with soft iron core
B) Hammer
C) Gong
D) Switch
Answer:<\/strong> A) Coil with soft iron core<\/p>\n\n\n\n

94. The pointer in an electric meter deflects due to<\/strong>
<\/mark>A) Magnetic effect of current
B) Heating
C) Voltage
D) Friction
Answer:<\/strong> A) Magnetic effect of current<\/p>\n\n\n\n

95. Magnetic substances used in compasses are<\/strong>
<\/mark>A) Steel or hard iron
B) Aluminium
C) Plastic
D) Brass
Answer:<\/strong> A) Steel or hard iron<\/p>\n\n\n\n

96. The lines of force around a straight current-carrying wire are<\/strong>
<\/mark>A) Concentric circles
B) Straight lines
C) Parallel lines
D) Random
Answer:<\/strong> A) Concentric circles<\/p>\n\n\n\n

97. The magnetic field around a solenoid resembles that of<\/strong>
<\/mark>A) A bar magnet
B) A coil
C) A sphere
D) A line
Answer:<\/strong> A) A bar magnet<\/p>\n\n\n\n

98. The magnetic field of a bar magnet can be represented by<\/strong>
<\/mark>A) Closed continuous lines
B) Straight lines
C) Dotted points
D) Broken lines
Answer:<\/strong> A) Closed continuous lines<\/p>\n\n\n\n

99. The magnets used in loudspeakers are<\/strong>
<\/mark>A) Permanent magnets
B) Temporary magnets
C) Natural magnets
D) Artificial magnets
Answer:<\/strong> A) Permanent magnets<\/p>\n\n\n\n

100. The magnets used in electric cranes are<\/strong>
<\/mark>A) Electromagnets
B) Permanent magnets
C) Natural magnets
D) Steel bars
Answer:<\/strong> A) Electromagnets
Explanation:<\/strong> Electromagnets are strong and can be switched on or off as needed.<\/p>\n","protected":false},"excerpt":{"rendered":"

1. The study of magnets and magnetic materials is calledA) MagnetismB) ElectromagnetismC) ElectrostaticsD) ElectricityAnswer: A) MagnetismExplanation: Magnetism is the branch of physics that deals with magnetic forces, fields, and materials. 2. A magnet attractsA) Iron, cobalt, and nickelB) Copper and aluminiumC) Silver and goldD) Wood and plasticAnswer: A) Iron, cobalt, and nickelExplanation: These are magnetic<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-17639","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-blog"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/17639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/comments?post=17639"}],"version-history":[{"count":2,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/17639\/revisions"}],"predecessor-version":[{"id":17681,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/17639\/revisions\/17681"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=17639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=17639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=17639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}