In an AC circuit, the current flowing is I = 5 sin 100 t - π 2 A and the potential difference is e = 200 sin ( 100 t ) . The power consumption is equal to

Question

In an AC circuit, the current flowing is I = 5 sin 100 t - π 2 A and the potential difference is e = 200 sin ( 100 t ) . The power consumption is equal to, 1000 W, 40 W, 20 W, 0 W

MARKS App · Accepted Answer

Given current I = 5 sin 100 t - π 2 A voltage e = 200 sin ( 100 t ) Phase difference between current and voltage ϕ = π 2 Power in AC circuit P = v rms i rms cos ϕ ⇒ P = v rms i rms cos π 2 = 0 W

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