Current Electricity Charging Discharging Of Capacitors Question 506

Question: Electric room radiator which operates at 225 volts has resistance of 50 ohms. Power of the radiator is approximately

[SCRA 1994]

Options:

A) 100 W

B) 450 W

C) 750 W

D) 1000 W

Show Answer

Answer:

Correct Answer: D

Solution:

$ P=\frac{V^{2}}{{R _{{}}}}=\frac{{{(225)}^{2}}}{50}=1012.5\approx 1000W $