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Measurements and Instrumentation

Q1:

Which of the following voltmeters would you use for measuring voltage across 20 kΩ resistance?

A Voltmeter having a resistance of 5 kΩ

B Voltmeter having a sensitivity of 1 kW/V

C Voltmeter having sensitivity of 10 kW/V

D None of the above

ANS:C - Voltmeter having sensitivity of 10 kW/V

Resistance of voltmeter should be very high as compared to 20 kΩ.



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