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Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: parallel plate capacitor
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indrajeet_bariar (245)

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Olaaa!! Perrrfect answer. 39  [64 rates]

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SEE, THIS SYSTEM COULD NOT BE CALLED A CAPACITOR. BECAUSE FIRST OF ALL THE CHARGE IS ONLY GIVEN TO ONE PLATE AND AT THE SECOND PLATE THE CHARGE IS INDUCED WHICH CAN NEVER BE LIKE CHARGE. NOW IF U WANT A SYSTM LIKE THIS U HAVE TO CHARGE BOTH THE PLATES SIMULTANEOUSLY THEREFORE THIS IS LIKE CHARGING TWO DIFFERENT CONDDUCTORS SIMULTANEOUSLY.
NOW AS FAR AS UR DERIVATION GOES ON, U MUST FIRST OF ALL KEEP IN CONSIDERATION THE FACT OF USING THE FORMULA
C = Q/V
IN THIS V IS NOT THE POTENTIAL DIFFERENCE BUT THE ABSOLUTE POTENTIAL OF THE CONDUCTOR. NOW KEEPING THIS FACT IN MIND U CAN SEE THT DUE TO THE PRESENCE OF OTHER SIMILARLY CHARGED PLATE THE POTENTIAL AT FIRST PLATE IS ACTUALLY INCREASED SINCE POTENTIAL IS A SCALER QUANTITY AND THEREFORE ALGEBRAIC SUM WILL BE DONE. THEREFORE DUE TO INCREASE IN POTENTIAL THE ACTUAL CAPCITY IS DECREASED NOT INCREASED.

I THINK THIS GOES RIGHT.

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