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Alternating Current Physics Ncert Solutions Class 12th Physics Class 12th

Find average power in electric circuit if source voltage (V) = 20sin(100wt) and current in the circuit (I) = 2sin(100wt + $\frac{π}{3}$ )

Option 1 -

10 W

Option 2 -

20 W

Option 3 -

5 W

Option 4 -

15.5 W

1 View | Posted 6 days ago

Asked by Shiksha User

1 Answer

Answered by

alok kumar singh | Contributor-Level 10

6 days ago

Correct Option - 1

Detailed Solution:

= IV cosf

$= \frac{20}{\sqrt[]{2}} * \frac{2}{\sqrt[]{2}} *$ cos 60°

= 10 W

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Find average power in electric circuit if source voltage (V) = 20sin(100wt) and current in the circuit (I) = 2sin(100wt + $\frac{π}{3}$ )

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Find average power in electric circuit if source voltage (V) = 20sin(100wt) and current in the circuit (I) = 2sin(100wt + $\frac{π}{3}$ )