Current Electricity Charging Discharging Of Capacitors Question 510
Question: A 10 ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts
[AFMC 1997]
Options:
A) 1310 W
B) 670 W
C) 810 W
D) 1210 W
Show Answer
Answer:
Correct Answer: D
Solution:
$ P=\frac{V^{2}}{R}=\frac{{{(110)}^{2}}}{10}=\frac{12100}{10}=1210W $