(b) A circuit is connected as shown in Figure Q1(b). If a voltmeter is used to measure the voltage drop across RB, what should the internal resistance of the voltmeter be to give a relative static error of -2% for the measured voltage value? Assume the error is only due to loading effect of the voltmeter. R = 20 kn 15 V R= 10 kn %3D

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(b) A circuit is connected as shown in Figure Q1(b). If a voltmeter is used to measure
the voltage drop across RB, what should the internal resistance of the voltmeter be
to give a relative static error of -2% for the measured voltage value? Assume the
error is only due to loading effect of the voltmeter.
R = 20 kn
15 V
R= 10 kn
Figure Q1(b)
Transcribed Image Text:(b) A circuit is connected as shown in Figure Q1(b). If a voltmeter is used to measure the voltage drop across RB, what should the internal resistance of the voltmeter be to give a relative static error of -2% for the measured voltage value? Assume the error is only due to loading effect of the voltmeter. R = 20 kn 15 V R= 10 kn Figure Q1(b)
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