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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2000
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Q)

Electric field atcentre O of semicircle of radius 'a' having linear charge density $\lambda$ given is given by O a



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( A ) $\frac{2\lambda}{\epsilon_0a}$
( B ) $\frac{\lambda}{\pi\epsilon_oa}$
( C ) $\frac{\lambda\pi}{\epsilon_oa}$
( D ) $\frac{\lambda}{2\pi\epsilon_oa}$

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