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 $