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29.A potential difference of 220 V is appliedacross a rheostat AB of 12000 ohm. Thevoltmeter V has a resistance of 6000 ohm andCB is one fourth of the distance of AB. Theerror in the reading of voltmeter isapproximately -CAN220VwwwwwwwwwwwV) 600022, (1) 27%(2) 10%(3) 40%(4) 15%

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