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WBJEE 2016 Physics Solved Paper

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Question : 3

Total: 40

Two equal resistances, 400 Ω each, are connected in series with a 8 V battery. If the resistance of first one increasesby 0.5%, the change required in the resistance of the second one in order to keep the potential difference across itunaltered is to

increase it by 1Ω
increase it by 2Ω
increase it by 4Ω
decrease it 4Ω

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