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.