Current Electricity Charging Discharging Of Capacitors Question 731

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

Options:

A) equal to that of fan

B) lesser than that of fan

C) greater than that of fan

D) zero

Show Answer

Answer:

Correct Answer: B

Solution:

[b] As $ R\propto V^{2}/P $ or $ R\propto 1/P, $ so resistance of heater is less than that of fan.