A steady current is passing through a linear conductor of non uniform cross- section. The net quantity of charge crossing any cross section per second is?

Independent of area of cross - section.

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Directly proportional to the length of the conductor.

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Directly proportional to the area of cross section..

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Inversely proportional to the length of the conductor.

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Solution

The correct option is A Independent of area of cross - section.
The quantity of charge passing through any cross-section per second is nothing but current flowing in the conductor.

As given, the current is a steady current, which means current is uniform throughout the cross-section. Hence it is independent of the area of cross section.

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