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Q.1. The instantaneous current and voltage of an a.c. circuit are given by

i = 10 sin 314 t A and v = 50 sin 314 t V

What is the power dissipation in the circuit?

https://www.meritnation.com/ask-answer/question/what-is-the-power-dissipation-in-an-ac-circuit-in-which-the/electromagnetic-induction/5741387

https://www.meritnation.com/ask-answer/question/question-the-instantaneous-current-and-voltage-of-an-a-c-ci/alternating-current/1767458

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