A conducting sphere of radius \( R=20 \mathrm{~cm} \) is given a charge \( \mathrm{Q}=16 \mu \ma...
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A conducting sphere of radius \( R=20 \mathrm{~cm} \) is given a
charge \( \mathrm{Q}=16 \mu \mathrm{C} \). What is \( \overrightarrow{\mathrm{E}} \) at centre (1) \( 3.6 \times 10^{6} \mathrm{~N} / \mathrm{C} \)
\( \begin{array}{ll}\text { (1) } 3.6 \times 10^{6} \mathrm{~N} / \mathrm{C} & \text { (2) } 1.8 \times 10^{6} \mathrm{~N} / \mathrm{C} \\ \text { (3) Zero } & \text { (4) } 0.9 \times 10^{6} \mathrm{~N} / \mathrm{C}\end{array} \)
(IV)
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