Alternating current cannot be measured by D.C. ammeter, because
A. A. C. is virtual
B. A. C. changes its direction
C. A. C. cannot pass through D.C. ammeter
D. average value of A. C for complete cycle is zero
Answer:D
Alternating current cannot be measured by D.C. ammeter, because
A. A. C. is virtual B. A. C. changes its direction C. A. C. cannot pass through D.C. ammeter D. average value of A. C for complete cycle is zero