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Alternating current cannot be measured by D.C. ammeter because (a) A.C. cannot pass through D.C. ammeter.

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asked Mar 24, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 53

Alternating current cannot be measured by D.C. ammeter because
(a) A.C. cannot pass through D.C. ammeter
(b) A.C. changes direction
(c) average value of current for complete cycle is zero
(d) D.C. ammeter will get damaged.

1 Answer

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answered Mar 24, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 26, 2018 by Vikash Kumar
 
Best answer

(c) Average value of A.C. for complete cycle is zero. Hence A.C. can not be measured by D.C. ammeter

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