A thin non-conducting ring or radius \( a \) has a linear charge density \( \lambda=\lambda_{0} ...
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0A thin non-conducting ring or radius \( a \) has a linear charge density \( \lambda=\lambda_{0} \sin \phi \). A uniform electric field \( E_{0} \hat{i}+E_{0} \hat{j} \) exist in
P the region. Net torque acting on ring is given as :
W
Figure 1.416
(A) \( E_{\mathrm{o}} \sqrt{2} \pi a^{2} \lambda_{\mathrm{o}} \)
(B) \( E_{\mathrm{o}} \pi a^{2} \lambda_{\mathrm{o}} \)
(C) \( 2 E_{0} \pi a^{2} \lambda_{0} \)
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