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Keeping the voltage of the charging sour...

Keeping the voltage of the charging source constant, what would be the percentage change in the energy stored in a parallel plate capacitor, if the separation between in plates were to be decreased by 10% ?

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MODERN PUBLICATION-CAPACITOR-EXAMPLE
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  11. Is there any kind of material that when inserted between the plates of...

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  14. State the principle of Van de Graaff generator.

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