In an ac circuit the instantaneous values of current and applied voltage are respectively i - 2Ampsin 250- s-1t and - - 10Vsin -250- s-1t - -3- Find the instantaneous power drawn from the source at t - 23ms and its average value-

It is given that #10; #10; i=2sin (250π #10;)t #10; #10; v=10sin (250π #10;t+π3) #10; #10;Instantaneous power #10; #10; #10 ...

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Power in an AC Circuit

In an ac circ...

Question

In an ac circuit the instantaneous values of current and applied voltage are respectively $i = 2 (A m p) sin (250 π s^{- 1}) t$ and $ϵ = (10 V) sin [(250 π s^{- 1}) t + \frac{π}{3}]$ . Find the instantaneous power drawn from the source at $t = \frac{2}{3} m s$ and its average value.

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i = 2 (A m p) sin (250 π s^{- 1}) t

ϵ = (10 V) sin [(250 π s^{- 1}) t + \frac{π}{3}]

t = \frac{2}{3} m s

i = \frac{1}{\sqrt{2}} sin (100 π t)

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

i = \frac{1}{\sqrt{2}} sin (100 π t)

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

i = s i n (314 t + \frac{π}{3})

e = 200 sin 314 t

I = sin (314 t + \frac{π}{3})

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