Question

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

Answer 1

Answer: (C)

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