The charge entering the positive terminal of an element is q = 5 sin 4 π t mC while the voltage across the element (plus to minus) is v = 3 cos 4 π t V (a) Find the power delivered to the element at t = 0.3 s.
(b) Calculate the energy delivered to the element between 0 and 0.6 s.

a)123.37 mW

b) 58.75 mJ

Explanation:

a) The current (i) flowing through the terminal is given as:

The Power delivered to the element (P(t)) is given as:

b)  the energy delivered to the element (W) between 0 and 0.6 s is given as:

answer:

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answer:

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Explanation: