question archive An ac millivoltmeter has a range of 0-1000 mV and its accuracy is 10

An ac millivoltmeter has a range of 0-1000 mV and its accuracy is 10

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An ac millivoltmeter has a range of 0-1000 mV and its accuracy is 10.5% of full-scale deflection. If the input voltage of the instrument is 400mV, the output of the instrument would be?

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Answer:

Deviation=1000*10.5/100=105

Thus for 200mV input output of the instrument is 200mV+-(105)

200+105=305

200-105=95

Hence output between 305 mV to 95mV