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Choose correct alternative. Given a cu...

Choose correct alternative.
Given a current carrying wire of non-uniform cross section. Which of the following is constant throughout the length of the wire?
A. current, electric field and drift speed
B. drift speed only
C. current and drift speed
D. current only

A

current, electric field and driftspeed

B

driftspeed only

C

current and drift speed

D

current only

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