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Electric Current - Questions and Answers

Practice questions on Electric Current.

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6. The direction of the conventional current corresponds to the direction in which
A. negative charges flow
B. positive charges flow
C. Neutrons flow
D. mesons flow
Explanation:
7. In the absence of an electric field, the free electrons in a metal move
A. in the same direction
B. at a steady speed
C. in opposite directions
D. at random
Explanation:
8. The expression for the electric current is
A. nAvde/m
B. nAvdE/m
C. nAvde
D. nAvdE
Explanation:
9. In the presence of an electric field, the free electrons get deflected in different directions due to
A. external field
B. nuclear forces
C. random forces
D. coulomb forces
Explanation:
10. The electric current I is related to Q and t as
A. I = Qt
B. I = t/Q
C. I = Q/t
D. I = Qt2
Explanation:
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