A point charge q is kept at the center of a fixed semi circular thread having a uniform charges per unit length - - the radius of the semi circular thread being R - The force required to keep the charge stationary is -

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Standard XII

Physics

Introduction

A point charg...

Question

A point charge q is kept at the center of a fixed semi circular thread having a uniform charges per unit length λ , the radius of the semi circular thread being R . The force required to keep the charge stationary is ??

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