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Measurements and Instrumentation
Which of the following voltmeters would you use for measuring voltage across 20 kΩ resistance?
Voltmeter having a resistance of 5 kΩ
Voltmeter having a sensitivity of 1 kW/V
Voltmeter having sensitivity of 10 kW/V
None of the above
Correct Answer:
Voltmeter having sensitivity of 10 kW/V
Explanation:
Resistance of voltmeter should be very high as compared to 20 kΩ.
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