Current Electricity Charging Discharging Of Capacitors Question 455

Question: An electric fan and a heater are marked as 100 watt, 220 volt and 1000 watt, 220 volt respectively. The resistance of the heater is

[CPMT 1990]

Options:

A) Zero

B) Greater than that of the fan

C) Less than that of the fan

D) Equal to that of the fan

Show Answer

Answer:

Correct Answer: C

Solution:

For constant voltage, we know that $ P\propto \frac{1}{R} $ So higher the power, lower will be the resistance.