Which of the following voltmeters would you use for measuring voltage across 20 kÎ© resistance? - Measurements and Instrumentation

Electronics and Communication Engineering (ECE) : Measurements and Instrumentation - Quiz(MCQ)

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

A)

Voltmeter having a sensitivity of 1 kW/V

B)

Voltmeter having sensitivity of 10 kW/V

C)

Voltmeter having a resistance of 5 kÎ©

D)

None of the above

Correct Answer : Option (B) : Voltmeter having sensitivity of 10 kW/V

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

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