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The area of cross section of a current c...

The area of cross section of a current carrying conductor is `A_(0)` and `(A_(0))/(4)` at section (1) and (2) respectively. If `v_(alpha_(1)),v_(alpha_(2)) and E_(1), E_(2)` be the drift velocity and electric field at sections 1 and 2 respectively then :

A

`v_(alpha_(1)):v_(alpha_(2))=1:4`

B

`v_(alpha_(1)):v_(alpha_(2))=4:1`

C

`E_(1):E_(2)=4:1`

D

`E_(1):E_(2)=1:4`

Text Solution

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The correct Answer is:
A, D
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