(a) A voltmeter and an ammeter can be connected as shown in Fig. 19-71a to measure a...
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(b) A voltmeter and an ammeter can also be connected as shown in Fig. 19-71b to measure a resistance R. Show in this case that R = V / l RA, where V and l are the voltmeter and ammeter readings and RA is the resistance of the ammeter. Note that R ≈ V / l if R A
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