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Question Number 37649 by Tinkutara last updated on 16/Jun/18

Answered by Rio Mike last updated on 16/Jun/18

$$\mathrm{yes}\mathrm{the}\mathrm{answer}\mathrm{is}\left(\mathrm{C}\right)\mathrm{net}\mathrm{induced}$$$$\mathrm{charge}\mathrm{on}\mathrm{the}\mathrm{sphere}\mathrm{is}\mathrm{zero}.\mathrm{If}\mathrm{charges}$$$$\mathrm{can}\mathrm{neither}\mathrm{flow}\mathrm{onto}\mathrm{or}\mathrm{off}\mathrm{the}$$$$\mathrm{spherical}\mathrm{shell}\mathrm{the}\mathrm{net}\mathrm{charge}\mathrm{cannot}$$$$\mathrm{change}\left(0\right).$$$$\mathrm{and}\mathrm{also}\mathrm{because}\mathrm{itcan}\mathrm{not}\mathrm{acquire}$$$$\mathrm{or}\mathrm{give}\mathrm{up}\mathrm{charge}.$$$$$$

Commented by Tinkutara last updated on 16/Jun/18

Why not b?

Commented by Rio Mike last updated on 16/Jun/18

$$\mathrm{why}\mathrm{will}\mathrm{you}\mathrm{suggest}\left(\mathrm{b}\right)?$$

Commented by Rio Mike last updated on 16/Jun/18

$$\mathrm{To}\mathrm{my}\mathrm{own}\mathrm{point}\mathrm{of}\mathrm{view}\mathrm{sir}$$$$\mathrm{Tinkutara}\mathrm{if}\mathrm{the}\mathrm{shell}{\mathrm{can}}^{\prime }\mathrm{t}\mathrm{acquire}\mathrm{or}$$$$\mathrm{give}\mathrm{up}\mathrm{charge}..\mathrm{net}\mathrm{charge}\mathrm{cannot}$$$$\mathrm{change}..\mathrm{like}\mathrm{i}\mathrm{said}\mathrm{its}\mathrm{like}\mathrm{a}\mathrm{poker}\mathrm{game}$$$$...\mathrm{you}\mathrm{can}\mathrm{play}\mathrm{with}\mathrm{your}\mathrm{friends},$$$$\mathrm{money}\mathrm{can}\mathrm{only}\mathrm{move}\mathrm{around}.\mathrm{some}$$$$\mathrm{of}\mathrm{you}\mathrm{might}\mathrm{lose}\mathrm{money}\mathrm{some}\mathrm{might}$$$$\mathrm{gain}\mathrm{but}\mathrm{the}\mathrm{net}\mathrm{change}\mathrm{in}\mathrm{money}$$$$\mathrm{for}\mathrm{all}\mathrm{of}\mathrm{you}\mathrm{is}\mathrm{zero}.$$$$\mathrm{Begining}=\mathrm{End}\left(0\right)$$

Commented by Tinkutara last updated on 16/Jun/18

Because electric field inside the sphere should also be 0.

Commented by Rio Mike last updated on 16/Jun/18

$$\mathrm{yes}\mathrm{your}\mathrm{right}\mathrm{but}\mathrm{i}\mathrm{think}\mathrm{c}$$$$\mathrm{is}\mathrm{the}\mathrm{best}\mathrm{answer}$$

Commented by Tinkutara last updated on 24/Jun/18

Can anyone confirm the answer please?

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