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?
Here is a link which will help you to solve this question .
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
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