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Across a metallic conductor of non-unifo...

Across a metallic conductor of non-uniform cross-section a constant potential difference is applied. The quantity

A

Current density

B

Current flows form `E` to `F`

C

Drift velocity

D

Electric field

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The correct Answer is:
B
(b) Across a metallic conductor of non-uniform cross section the rate of flow of charge through every cross section is constant hence . Current is constant.
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