1. (a) Define the power p(t) with an equation. 6 W(t) (b) Given the energy W(t), plot the power p(t) on the same graph.

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1 A Define The Power P T With An Equation 6 W T B Given The Energy W T Plot The Power P T On The Same Graph 1 (30.47 KiB) Viewed 20 times

1. (a) Define the power p(t) with an equation. 6 W(t) (b) Given the energy W(t), plot the power p(t) on the same graph. Assume SI units. 2. What are the two most commonly used frequencies for land-based ac electric power systems world-wide? 25 Hz 40 Hz 50 Hz 60 Hz 400 Hz (circle two) 3. Network B is passive. In the given system: i(1) NETWORK NETWORK v(t)=16.97.cos(377t+60°) kV i(t)=14.14.cos(377t+23.13⁰) A A B KVA Z= S2 Z= A 11 11 kV |S= S = PPS