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Two wires A and B of the same materia...

Two wires A and B of the same material having radii in the ratio 1:2 carry currents in the ratio 4 :1 , The ratio of drift speed of electrons in A and B is .

A

`16:1`

B

`1:16`

C

`1:4`

D

`4:1`

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The correct Answer is:
A
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