CBSE Class 12 Physics 2023 Outside Delhi Set 3 Paper

Question : 5 of 13

Marks: +1, -0

An electric dipole moment

2 × 10^{-8} {\C}- {\m}

in a uniform electric field experiences a maximum torque of

6 ×

10^{-4} {\N}- {\m}

. The Magnitude of electric field is

Solution:

Maximum torque experienced by the dipole is

τ_{\max }\;=P E

or,

6 × 10^{-4}\;=2 × 10^{-8} × {\E}

E\;=3 × 10^4 {\Vm}^{-1}

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