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An electric dipole of moment p is placed...

An electric dipole of moment p is placed in an electric field of intensity E. The dipole acquires a position such that the axis of the dipole makes and angle `theta` with direction of the filed. Assuming that the potential energy of the dipole to be zero when `theta = 90^(@)` the torque and the potential energy of the dipole will respectively be

A

pE sin`theta`, 2p E cos `theta`

B

pE cos `theta`, - pE sin `theta`

C

pE sin` theta`, -pE cos `theta`

D

pE sin` theta`, - 2pE cos `theta`

Text Solution

Verified by Experts

The correct Answer is:
C
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