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potential difference of 220 V is appliedross a rheostat AB of 12000 ohm. Theoltmeter V has a resistance of 6000 ohm andB is one fourth of the distance of AB. Theror in the reading of voltmeter ispproximately -Minocer220VWwwwwwwwww600022) 27%(2) 10%(3) 40%(4) 15% |
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Answer» Option A |
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