A wire has non-uniform cross-section as ...

A wire has non-uniform cross-section as shown in fig. steady current flows through it. The drift speed of electrons at point `P` and `Q` is `v_(P)` and `v_(Q)`

is constant throughout the wire

varies unpredictably

decreases from P & Q

increases from P to Q

Text Solution

Verified by Experts

The correct Answer is:

`v_(d)prop(1)/(A)`

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