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Bihar Board Class 12 (Science) Electric Charges and Fields — practice questions

3 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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The smallest charge that can exist freely in nature isAn electric dipole of dipole moment $\vec{p}$ is placed in a UNIFORM electric field $\vec{E}$. The torque expeThe electric field at a distance $r$ from a POINT charge $q$ (in vacuum) has magnitude