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question mark

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

Aditi Chauhan , 12 Years ago
Grade 10
anser 1 Answers
Simran Bhatia

(a)

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

Hence, power dissipated depends upon phase difference.

Last Activity: 12 Years ago
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