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In an A.C. circuit with voltage V and current I the power dissipated is (a) Dependent on the phase between V and I (b) VI/sqrt(2) (c) VI/2 (d) VI



In an A.C. circuit with voltage V and current I the power dissipated is


(a)  Dependent on the phase between V and I


(b) VI/sqrt(2)     


(c)    VI/2


(d)    VI


 

Grade:10

1 Answers

Simran Bhatia
348 Points
9 years ago

(a)

Power dissipated = Erms. Irms = (Erms) (Irms cosq  

Hence, power dissipated depends upon phase difference.

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