Question

Current is the rate of flow of charge across a cross-section …………… the flow of current.
(a) in any direction of
(b) in a parallel direction to
(c) in the same direction as
(d) normal to the direction of

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Answer

(d) normal to the direction of

Reason — Current is the rate of flow of charge across a cross-section normal to the direction of the flow of current.

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