Question

A 100 resistor is connected to a 220V 50Hz supply. what is the Net power consumed over a full cycle

Answer 1

As we know, By Ohm's law:
V= IR
→ I = V/R

Also, P = VI = V × (V/I)
→ P = V²/R
→ P = (220)²/100 = 484 W

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