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elessar_iitkgp (2390)

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Olaaa!! Perrrfect answer. 410  [580 rates]

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See understand this whenever you are moving along the direction of current, you are actually moving along a drop in potential. If in moving along a closed path you find a resistance, check whether you are moving along the current. If its so, you have a term -iR in your KVL equation. If you are moving opposite to the current, you have iR.
For a capacitor if you encounter the +ve plate first write -q/C. If you encounter the negative plate first write q/C.




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