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An electric dipole is placed at an angle...

An electric dipole is placed at an angle of `30^(@)` with an electric field intensity `2xx10^(5)N//C`. It experiences a torque equal to `4Nm`. The charge on the dipole, if the dipole length is `2 cm`,-

A

`7muC`

B

`8mC`

C

`2mC`

D

`5mC`

Text Solution

Verified by Experts

The correct Answer is:
C

As torque `(tau) =pE sintheta`
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