Assertion (A) : An ammeter is connected in series of the current carrying circuit but a voltmeter is connected in parallel across those two points, potential difference between which is to be measured. Reason (R) : Resistance of an ideal ammeter is zero but the resistance of an ideal voltmeter is infinite.

Assertion (A) : An ammeter is connected in series of the current carry

1.	Assertion (A) : An ammeter is connected in series of the current carrying circuit but a voltmeter is connected in parallel across those two points, potential difference between which is to be measured. Reason (R) : Resistance of an ideal ammeter is zero but the resistance of an ideal voltmeter is infinite.
Answer» If both assertion and reason are true and the reason is the correct explanation of the assertion. If both assertion and reason are true but reason is not the correct explanation of the assertion. If assertion is true but reason is false . If the assertion is false but reason is true. Solution :Being of zero resistance an ammeter, when connected in series, does not affect the STRENGTH of current flow and can measure it. A voltmeter , being of extremely high resistance , is connected in parallel across those TWO points potential difference between which is to be MEASURED . In this way, voltmeter does not affect the circuit current and can measure and EXACT VALUE of potential difference.

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