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