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Explain the calibration of dc voltmeter by potentiometer method |
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Answer» That is the CURRENT I=V/R Where V=voltage across the standard resistor measured by the potentiometer, And R=resistance of a standard resistor. Since we are using the standard resistor, the resistance will be accurately KNOWN and the voltage across the standard resistor is measured by the potentiometer. HOPE IT HELPS ☺️..... |
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