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A wire whose cross-sectional area is inc...

A wire whose cross-sectional area is incereasing linearly from its one end to the other, is connected across a battery of V volts. Which of the following quantities remain constant in the wire ?

A

drift speed

B

current density

C

electric current

D

electric field

Text Solution

Verified by Experts

Electric curren well remain constant in the wire.
All other quantities, depend on the cross sectional area of the wire.
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