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ammeter and voltmeter...

ammeter and voltmeter

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Assertion : In the circuit shown in figure ammeter and voltmeter are non-ideal. Why positions of ammeter and voltmeter are changed, reading of ammeter will increase while of voltmeter will decrease. Reason : Resistance of an ideal ammeter is zero while that of an ideal voltmeter is infinite.

A student using the same two resistors, ammeter, voltmeter and battery, sets up two circuits A and B connecting the two resistors first in series and then in parallel. If the ammeter and voltmeter readings in the two cases be I_(1), I_(2) and V_(1), V_(2) respectively, he is likely to observe that :

In the figure ammeter (i) reads a current of 10mA , while the voltmeter reads a potential difference of 3V . What does ammeter (ii) (in mA ) read? The ammeters are identical, the internal resistance of the battery is negligible. (Consider all ammeters and voltmeters as non ideal)

Compare how an ammeter and a voltmeter are connected in a circuit.

Find the reading of ammeter A and voltmeter V shown in the figure assuming the instruments to be ideal

An ammeter and a voltmeter are j oined in series to a cell. Their readings are A and V respectively. If a resistance is now joined in parallel with the voltmeter