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Question

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


A
Independent of area of cross-section
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B
Directly proportional to the length of the conductor
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C
Directly proportional to the area of cross section.
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D
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 steady current, means current is uniform throughout the cross-section. Hence it is independent of Area of cross section.

Physics

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