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The torque tau acting on an electric dip...

The torque `tau` acting on an electric dipole of dipole momtn `vec(p)`in an electric field `vec( E )` is

A

`omega= 0`

B

`alpha= 0`

C

J= 0

D

F= 0

Text Solution

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The correct Answer is:
B

Since, `vec(tau)= I alpha rArr alpha= 0`
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