In an A-C- circuit- the instantaneous values of e-m-f- and current are E - 200 sin 314t volts and I-sin314t- -3 ampere then the average power consumed in watts is

The correct option is D 50 lt;P gt; = V_rms I_rms Cos θ = 200√(2)×1√(2)× cosπ /3 = 50W ...

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Power in an AC Circuit

In an A.C. ci...

Question

In an A.C. circuit, the instantaneous values of e.m.f. and current are $E = 200 s i n 314 t$ volts and $I = s i n (314 t + π / 3)$ ampere then the average power consumed in watts is

200

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100

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Solution

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Similar questions

i = s i n (314 t + \frac{π}{3})

e = 200 sin 314 t

I = sin (314 t + \frac{π}{3})

i = s i n (314 t + \frac{π}{3})

E = 200 s i n (314 t) V a n d I = s i n (314 t + \frac{π}{3}) A

W

i = \frac{1}{\sqrt{2}} sin (100 π t)

e = \frac{1}{\sqrt{2}} sin (100 π t + π / 3)

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