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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 -220Vwwwwwwww1) 27%(2) 10%(3) 40%(4) 15% |
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Answer» 3)40% is the correct answer 1) 27 % is the correct answer |
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