Chapter 1: Electric Charges and Fields MCQs | physics Class 12 CBSE

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Chapter 1: Electric Charges and Fields MCQs | physics Class 12 CBSE | ByteNotes.in

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Question 1

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Electrostatics deals with the study of forces, fields and potentials arising from

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Question 2

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By convention, the charge on a glass rod rubbed with silk is taken as

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Question 3

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When a plastic rod is rubbed with cat's fur, the plastic rod acquires

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Question 4

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Which of the following is NOT a conductor of electricity?

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Question 5

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When charge is transferred to a conductor, it

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Question 6

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The charge on an electron is −e. The charge on a body that has gained 3 electrons is

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Question 7

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Quantisation of electric charge was first demonstrated experimentally by

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Question 8

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The value of the basic unit of charge e is approximately

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Question 9

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According to Coulomb's law, if the distance between two point charges is doubled while the charges remain the same, the force becomes

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Question 10

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The permittivity of free space ε₀ has the value

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Question 11

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The ratio of the electric force to the gravitational force between an electron and a proton is approximately

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Question 12

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The principle of superposition states that the force on a charge due to several other charges is

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Question 13

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The SI unit of electric field is

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Question 14

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For a positive source charge Q, the electric field at a surrounding point is directed

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Question 15

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Two electric field lines

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Question 16

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Electrostatic field lines do not form closed loops because

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Question 17

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The SI unit of electric flux is

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Question 18

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The electric flux through an area element ΔS making angle θ with the electric field E is

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Question 19

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The dipole moment vector of an electric dipole is directed

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Question 20

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The electric field on the axial line of a dipole at large distance r falls off as

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Chapter sections

Chapter 1: Electric Charges and Fields | MCQs

Electrostatics deals with the study of forces, fields and potentials arising from

By convention, the charge on a glass rod rubbed with silk is taken as

When a plastic rod is rubbed with cat's fur, the plastic rod acquires

Which of the following is NOT a conductor of electricity?

When charge is transferred to a conductor, it

The charge on an electron is −e. The charge on a body that has gained 3 electrons is

Quantisation of electric charge was first demonstrated experimentally by

The value of the basic unit of charge e is approximately

According to Coulomb's law, if the distance between two point charges is doubled while the charges remain the same, the force becomes

The permittivity of free space ε₀ has the value

The ratio of the electric force to the gravitational force between an electron and a proton is approximately

The principle of superposition states that the force on a charge due to several other charges is

The SI unit of electric field is

For a positive source charge Q, the electric field at a surrounding point is directed

Two electric field lines

Electrostatic field lines do not form closed loops because

The SI unit of electric flux is

The electric flux through an area element ΔS making angle θ with the electric field E is

The dipole moment vector of an electric dipole is directed

The electric field on the axial line of a dipole at large distance r falls off as

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