What would you suggest to a student if while performing an experiment he finds that the pointer of the ammneter and voltmeter do not coincide with zero
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Either we suggest them to adjust it to zero so that
pointer of ammeter and voltmeter coincide with zero
with the adjusting switch.
or
we can suggest him to note down the pointer reading before starting the experiment
and reduce the noted reading from ammeter and voltmeter obtained reading
and then use the values for experiment calculations.
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