Questions
If a current flows in an AC circuit across which an AC potential of has been applied, then the power consumption P in the circuit will be
detailed solution
Correct option is D
Phase angle ϕ=90∘, so power P=VI cos ϕ=0Talk to our academic expert!
Similar Questions
A bulb is rated at 100V, 100W, it can be treated as a resistor. Find out the inductance of an inductor (called choke coil) that should be connected in series with the bulb to operate the bulb at its rated power with the help of an ac source of 200 v and 50 Hz.
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