7.1 A 100 Ω resistor is connected to a 220 V, 50 Hz ac supply.
(a) What is the rms value of current in the circuit?
(b) What is the net power consumed over a full cycle?
7.1 A 100 Ω resistor is connected to a 220 V, 50 Hz ac supply.
(a) What is the rms value of current in the circuit?
(b) What is the net power consumed over a full cycle?
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1 Answer
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7.1 Resistance of the resistor, R = 100 Ω
Supply voltage, V = 220 V
Supply frequency, = 50 Hz
The rms value of current is given as, I = = = 2.2 A
The net power consumed over a full cycle is given as P = VI = 220 = 484 W
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