# Electric Circuits

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1. The voltage across a load is v(t) = 260 sin (377t + 10 °) and the current through the load is i = 100 sin (377t + 10°). What is the RMS power?

2. The voltage across a load is v(t) = 260 sin (377t + 10 °). What is the RMS voltage?

3. The voltage across a load is v(t) = 200 sin (377t + 70°) and the current through the load is i(t) = 20 sin (377t + 20°). What is the impedance?

4. The current flowing through a 10 H inductor is i = 20 sin (20t). What is the inductive reactance?

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1. The voltage across a load is v(t) = 260 sin (377t + 10 Â°) and the current through the load is i = 100 sin (377t + 10Â°). What is the RMS power?

A) 13000 W.

B) 130 W.

C) It is undefined.

D) 10 W.

Solution: The ...

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