A typical voltmeter has an internal resistance of 10 M il

Chapter 26, Problem 26.90

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A typical voltmeter has an internal resistance of 10 M il andcan only measure voltage differences of up to severalhundred volts. Figure 26-81 shows the design of a probe tomeasure a very large voltage difference V using a voltmeter.If you want the voltmeter to read 50 V when V = 50 kV,what value R should be used in this probe?

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