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Electric Current MCQ Questions And Answers - Physics Class 12

Electric Current MCQs : This section focuses on the "Electric Current" in Physics Class 12. These Multiple Choice Questions (MCQs) should be practiced to improve the Physics Class 12 skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

___________ is the rate of flow of electrons in a conductor.

A. Potentiometer
B. Magnetism
C. Electric Current
D. Motion

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Question 2

The SI Unit of electric current is the?

A. joule
B. watt
C. volt
D. ampere

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Question 3

Silver is the best conductor of electricity.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 4

____________ are materials that restrict the free flow of electrons from one particle to another

A. Conductor
B. Insulators
C. Atom
D. Electrons

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Question 5

The ___________ is from positive to the negative terminal and indicates the direction that positive charges would flow.

A. electron flow
B. conventional current flow
C. normal flow
D. None of the above

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Question 6

What is the number of electrons that constitutes a current of one Ampere?

A. 2.25 × (10^18)
B. 2.25 × (10^19)
C. 6.25 × (10^18)
D. 6.25 × (10^21)

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Question 7

Which of these is a correct definition of conventional current?

A. Current that flows from lower potential to higher potential
B. The current which remains static
C. Current constituted by the flow of ions
D. Current that flows from higher potential to lower potential

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Question 8

Which type of current is flowing through a circuit?

A. Static current
B. Conventional current
C. Electronic current
D. Potential current

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Question 9

Which type of a physical quantity is electric current?

A. Scalar quantity
B. Vector quantity
C. Bipolar quantity
D. Thermodynamic quantity

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Question 10

The magnitude of electric current is measured in coulombs per second.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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