1. The branch of physics which deals with charges at rest is called
A) Static electricity
B) Current electricity
C) Electromagnetism
D) Magnetism
Answer: A) Static electricity
Explanation: Static electricity studies electric charges that are stationary.
2. Electric charge is a
A) Fundamental property of matter
B) Derived property
C) Gravitational property
D) Mechanical property
Answer: A) Fundamental property of matter
3. There are how many types of electric charges?
A) Two
B) Three
C) One
D) Four
Answer: A) Two
Explanation: Positive and negative charges are the two types.
4. Like charges
A) Repel each other
B) Attract each other
C) Have no effect
D) Neutralize each other
Answer: A) Repel each other
5. Unlike charges
A) Attract each other
B) Repel each other
C) Have no effect
D) Vanish
Answer: A) Attract each other
6. A body that has lost electrons becomes
A) Positively charged
B) Negatively charged
C) Neutral
D) Magnetic
Answer: A) Positively charged
7. A body that has gained electrons becomes
A) Negatively charged
B) Positively charged
C) Neutral
D) Heavy
Answer: A) Negatively charged
8. A body that has equal number of protons and electrons is
A) Electrically neutral
B) Positively charged
C) Negatively charged
D) Insulated
Answer: A) Electrically neutral
9. The SI unit of charge is
A) Coulomb
B) Ampere
C) Volt
D) Ohm
Answer: A) Coulomb
10. The smallest possible charge is
A) Charge of an electron
B) Charge of a proton
C) Charge of neutron
D) Charge of atom
Answer: A) Charge of an electron
11. Static electricity is produced by
A) Friction
B) Current
C) Induction
D) Heat
Answer: A) Friction
12. When a glass rod is rubbed with silk, the glass rod becomes
A) Positively charged
B) Negatively charged
C) Neutral
D) Unchanged
Answer: A) Positively charged
13. When an ebonite rod is rubbed with fur, the rod becomes
A) Negatively charged
B) Positively charged
C) Neutral
D) Magnetic
Answer: A) Negatively charged
14. The process of transferring charge from one body to another by rubbing is called
A) Charging by friction
B) Charging by induction
C) Earthing
D) Conduction
Answer: A) Charging by friction
15. The process of charging a body without direct contact is called
A) Induction
B) Conduction
C) Friction
D) Polarization
Answer: A) Induction
16. The process of charging a body by direct contact is called
A) Conduction
B) Induction
C) Friction
D) Earthing
Answer: A) Conduction
17. A conductor is a material that
A) Allows electric charges to flow
B) Stops charge flow
C) Stores charge
D) Reflects charge
Answer: A) Allows electric charges to flow
18. An insulator is a material that
A) Does not allow charges to flow
B) Conducts electricity
C) Stores electricity
D) Becomes magnetic
Answer: A) Does not allow charges to flow
19. Example of a good conductor is
A) Copper
B) Glass
C) Rubber
D) Wood
Answer: A) Copper
20. Example of an insulator is
A) Plastic
B) Silver
C) Iron
D) Aluminium
Answer: A) Plastic
21. The device used to detect the presence of charge is
A) Gold-leaf electroscope
B) Ammeter
C) Voltmeter
D) Galvanometer
Answer: A) Gold-leaf electroscope
22. When a charged body is brought near an uncharged electroscope, its leaves
A) Diverge
B) Converge
C) Remain the same
D) Fall off
Answer: A) Diverge
23. The divergence of leaves in an electroscope shows
A) Presence of electric charge
B) Presence of magnetism
C) Presence of current
D) None
Answer: A) Presence of electric charge
24. The part of electroscope which stores charge is
A) Metal cap and rod
B) Leaves
C) Insulator
D) Glass jar
Answer: A) Metal cap and rod
25. Earthing a charged body means
A) Connecting it to the earth
B) Disconnecting it from the earth
C) Charging it again
D) Magnetizing it
Answer: A) Connecting it to the earth
26. Earthing removes the excess charge because
A) Earth acts as an infinite charge reservoir
B) Earth is an insulator
C) Earth is magnetic
D) Earth has no charges
Answer: A) Earth acts as an infinite charge reservoir
27. Lightning is an example of
A) Electric discharge
B) Magnetic effect
C) Radiation
D) Conduction
Answer: A) Electric discharge
28. Lightning occurs due to
A) Discharge of static charges between clouds and earth
B) Magnetic attraction
C) Friction of air
D) Heat of sun
Answer: A) Discharge of static charges between clouds and earth
29. The device used to protect buildings from lightning is called
A) Lightning conductor
B) Fuse
C) Insulator
D) Earthing wire
Answer: A) Lightning conductor
30. A lightning conductor is made of
A) Metal rod
B) Rubber rod
C) Plastic rod
D) Wooden stick
Answer: A) Metal rod
31. A lightning conductor is fixed
A) On the top of the building
B) Underground
C) On the side wall
D) Near windows
Answer: A) On the top of the building
32. The function of a lightning conductor is to
A) Safely carry electric discharge to earth
B) Produce lightning
C) Store charge
D) Reflect light
Answer: A) Safely carry electric discharge to earth
33. Electric charge is always
A) Conserved
B) Destroyed
C) Created
D) Variable
Answer: A) Conserved
Explanation: Total charge before and after an interaction remains the same.
34. The law which states that charge cannot be created or destroyed is
A) Law of conservation of charge
B) Ohm’s law
C) Coulomb’s law
D) Faraday’s law
Answer: A) Law of conservation of charge
35. The property of a material which resists flow of charge is called
A) Resistance
B) Conductivity
C) Capacitance
D) Charge density
Answer: A) Resistance
36. The region around a charged body in which its effect is felt is called
A) Electric field
B) Magnetic field
C) Force field
D) Potential field
Answer: A) Electric field
37. The direction of an electric field is taken from
A) Positive to negative charge
B) Negative to positive charge
C) North to south
D) East to west
Answer: A) Positive to negative charge
38. Electric field lines never
A) Intersect
B) Curve
C) Start
D) End
Answer: A) Intersect
Explanation: Because at a point only one direction of field can exist.
39. The lines of force are closer where
A) Electric field is strong
B) Electric field is weak
C) Charge is neutral
D) Field is zero
Answer: A) Electric field is strong
41. The amount of work done to move a charge from one point to another in an electric field is called
A) Electric potential difference
B) Current
C) Power
D) Resistance
Answer: A) Electric potential difference
Explanation: Potential difference tells us how much work is done in moving a charge between two points.
42. The SI unit of electric potential difference is
A) Volt
B) Ohm
C) Watt
D) Joule
Answer: A) Volt
Explanation: Potential difference is measured in volts.
43. The device used to store electric charge is called
A) Capacitor
B) Battery
C) Resistor
D) Inductor
Answer: A) Capacitor
Explanation: A capacitor stores electric charge and energy in an electric field.
44. The property of a capacitor to store charge is called
A) Capacitance
B) Resistance
C) Conductance
D) Inductance
Answer: A) Capacitance
45. The SI unit of capacitance is
A) Farad
B) Volt
C) Ampere
D) Coulomb
Answer: A) Farad
Explanation: A capacitor’s ability to store charge is measured in farads.
46. A capacitor consists of
A) Two metal plates separated by an insulator
B) Two magnets
C) One conductor
D) One wire
Answer: A) Two metal plates separated by an insulator
Explanation: The insulator between plates is called the dielectric.
47. The insulating material between capacitor plates is called
A) Dielectric
B) Conductor
C) Resistor
D) Semiconductor
Answer: A) Dielectric
48. If a charged body is touched with hand, it becomes
A) Neutral
B) More charged
C) Positively charged
D) Negatively charged
Answer: A) Neutral
Explanation: The charge flows to the earth through the body (earthing effect).
49. The earth is considered a good conductor because
A) It can absorb large charges
B) It has magnetic properties
C) It is hollow
D) It is an insulator
Answer: A) It can absorb large charges
50. A conductor has charges only
A) On its surface
B) Inside it
C) At its center
D) Randomly distributed
Answer: A) On its surface
Explanation: In static conditions, charges reside only on the outer surface of conductors.
51. The charge on an isolated conductor distributes itself
A) Uniformly over the surface
B) Only at one point
C) Inside the material
D) At corners only
Answer: A) Uniformly over the surface
52. The process by which a charged object induces charge on another body without contact is
A) Induction
B) Conduction
C) Friction
D) Earthing
Answer: A) Induction
53. In electrostatic induction, the total charge of the body remains
A) Zero
B) Positive
C) Negative
D) Infinite
Answer: A) Zero
Explanation: Only charge distribution changes, total charge remains constant.
54. Lightning is a large-scale example of
A) Electric discharge
B) Magnetic induction
C) Nuclear reaction
D) Current flow
Answer: A) Electric discharge
55. The sudden flow of charge through the air between clouds and the earth is called
A) Lightning
B) Current
C) Reflection
D) Spark
Answer: A) Lightning
56. The scientist who first studied electric charge was
A) William Gilbert
B) Isaac Newton
C) James Maxwell
D) Faraday
Answer: A) William Gilbert
57. The instrument that detects and measures small electric charges is
A) Gold leaf electroscope
B) Ammeter
C) Voltmeter
D) Multimeter
Answer: A) Gold leaf electroscope
58. The leaves of a gold-leaf electroscope spread apart due to
A) Repulsion between like charges
B) Attraction
C) Gravitational pull
D) Magnetic field
Answer: A) Repulsion between like charges
59. When a positively charged body is brought near the electroscope, the leaves diverge more. It indicates
A) The electroscope is positively charged
B) It is negatively charged
C) It is neutral
D) It is grounded
Answer: A) The electroscope is positively charged
60. When a negatively charged body is brought near a positively charged electroscope, the leaves
A) Collapse partly
B) Diverge more
C) Stay same
D) Fall off
Answer: A) Collapse partly
Explanation: Negative charge neutralizes some positive charge, reducing repulsion.
61. The atmosphere gets electrically charged because of
A) Friction between air currents and water droplets
B) Rain
C) Thunder only
D) Earth rotation
Answer: A) Friction between air currents and water droplets
62. The region between two charged bodies where electrical force acts is called
A) Electric field
B) Magnetic field
C) Force area
D) Potential area
Answer: A) Electric field
63. An object is said to be electrically neutral when it has
A) Equal number of protons and electrons
B) Only protons
C) Only electrons
D) Unequal charges
Answer: A) Equal number of protons and electrons
64. Static electricity can be dangerous because it can cause
A) Sparks or explosions
B) Cooling
C) Evaporation
D) Reflection
Answer: A) Sparks or explosions
65. The best safety measure against lightning is
A) Stay indoors and avoid metal contact
B) Go near trees
C) Use mobile phone outdoors
D) Stay in open fields
Answer: A) Stay indoors and avoid metal contact
66. The first scientist to demonstrate lightning as electric discharge was
A) Benjamin Franklin
B) Michael Faraday
C) Isaac Newton
D) Thomas Edison
Answer: A) Benjamin Franklin
Explanation: Franklin used a kite experiment to prove lightning is electricity.
67. A metal rod connected to earth in a building is called
A) Lightning conductor
B) Fuse wire
C) Circuit breaker
D) Transformer
Answer: A) Lightning conductor
68. The end of a lightning conductor on top of the building is
A) Pointed
B) Flat
C) Round
D) Plastic coated
Answer: A) Pointed
Explanation: The pointed end helps discharge charges smoothly to the atmosphere.
69. The process of connecting electrical equipment to the earth is called
A) Earthing
B) Insulating
C) Charging
D) Magnetizing
Answer: A) Earthing
70. Earthing provides
A) A safe path for electric charge to flow into earth
B) Insulation
C) Storage of charge
D) Conduction of current only
Answer: A) A safe path for electric charge to flow into earth
71. The type of charge carried by a glass rod rubbed with silk is
A) Positive
B) Negative
C) Neutral
D) Zero
Answer: A) Positive
72. The type of charge carried by an ebonite rod rubbed with fur is
A) Negative
B) Positive
C) Neutral
D) Both
Answer: A) Negative
73. The flow of static charge between two bodies is called
A) Electric discharge
B) Electric current
C) Induction
D) Friction
Answer: A) Electric discharge
74. The phenomenon of sudden discharge of charge between cloud and earth is
A) Lightning
B) Spark
C) Resonance
D) Radiation
Answer: A) Lightning
75. The movement of electrons from one object to another produces
A) Static electricity
B) Magnetic field
C) Heat energy
D) Sound
Answer: A) Static electricity
76. The force between two charged bodies depends on
A) Distance and magnitude of charges
B) Mass of bodies
C) Temperature
D) Shape
Answer: A) Distance and magnitude of charges
77. The force between two like charges is
A) Repulsive
B) Attractive
C) Zero
D) Rotational
Answer: A) Repulsive
78. The force between unlike charges is
A) Attractive
B) Repulsive
C) Neutral
D) Weak
Answer: A) Attractive
79. A negatively charged object has
A) Excess electrons
B) Lack of electrons
C) Only protons
D) Only neutrons
Answer: A) Excess electrons
80. A positively charged object has
A) Deficiency of electrons
B) Extra electrons
C) More neutrons
D) Equal charges
Answer: A) Deficiency of electrons
81. The device used to store electric charge is
A) Capacitor
B) Battery
C) Motor
D) Coil
Answer: A) Capacitor
82. In a charged conductor, the charge always resides
A) On the outer surface
B) Inside it
C) At corners
D) Randomly
Answer: A) On the outer surface
83. The instrument used to detect small charges is
A) Gold leaf electroscope
B) Ammeter
C) Voltmeter
D) Galvanometer
Answer: A) Gold leaf electroscope
84. The potential of the earth is taken as
A) Zero
B) Positive
C) Negative
D) Infinite
Answer: A) Zero
85. The point where electric potential is the same everywhere is called
A) Equipotential surface
B) Neutral zone
C) Magnetic surface
D) Uniform field
Answer: A) Equipotential surface
86. The surface of a charged conductor is
A) Always an equipotential surface
B) Unequal
C) Wavy
D) Variable
Answer: A) Always an equipotential surface
87. The electric field inside a conductor in static condition is
A) Zero
B) Maximum
C) Constant
D) Variable
Answer: A) Zero
88. Electric field lines originate from
A) Positive charge and end on negative charge
B) Negative charge and end on positive charge
C) Earth
D) Magnetic poles
Answer: A) Positive charge and end on negative charge
89. The density of field lines represents
A) Strength of electric field
B) Strength of charge
C) Velocity of electrons
D) Potential
Answer: A) Strength of electric field
90. When a conductor is placed in an electric field, charges get rearranged. This is called
A) Electrostatic induction
B) Friction
C) Earthing
D) Discharge
Answer: A) Electrostatic induction
91. When static charges discharge suddenly, we get a
A) Spark
B) Current
C) Light
D) Magnetic effect
Answer: A) Spark
92. The lightning conductor protects buildings by
A) Providing safe path for discharge
B) Absorbing current
C) Repelling lightning
D) Blocking thunder
Answer: A) Providing safe path for discharge
93. A thundercloud carries
A) Both positive and negative charges
B) Only positive charge
C) Only negative charge
D) Neutral particles
Answer: A) Both positive and negative charges
94. The static electricity in our body sometimes causes
A) Minor electric shock
B) Heat
C) Sound
D) None
Answer: A) Minor electric shock
95. Lightning is caused by
A) Discharge between charged clouds and the ground
B) Reflection of sunlight
C) Earth’s magnetism
D) Cloud color
Answer: A) Discharge between charged clouds and the ground
96. The study of electric charges at rest is known as
A) Electrostatics
B) Electrodynamics
C) Magnetostatics
D) Thermodynamics
Answer: A) Electrostatics
97. The transfer of electrons between two bodies produces
A) Static electricity
B) Heat energy
C) Magnetic field
D) Light energy
Answer: A) Static electricity
98. When we comb dry hair, small paper bits get attracted because
A) Comb becomes charged by friction
B) Comb has magnetism
C) Hair becomes hot
D) Air pressure
Answer: A) Comb becomes charged by friction
99. When clothes rub in a dryer, they sometimes stick together due to
A) Static electricity
B) Humidity
C) Magnetism
D) Gravity
Answer: A) Static electricity
100. Static electricity has important uses in
A) Photocopiers, air filters, and painting
B) Cooking
C) Welding
D) Refrigeration
Answer: A) Photocopiers, air filters, and painting
Explanation: Static charge attracts ink, dust, or paint to specific surfaces.