Home
Class 12
PHYSICS
An electric bulb is rated 220 volt - 100...

An electric bulb is rated 220 volt - 100 watt. The power consumed by it when operated on 110 volt will be

A

75W

B

40W

C

25W

D

50W

Text Solution

Verified by Experts

Resistance of electric bulb `R=V^2/P implies R=(220)^2/100`
Power consumed at 110V `therefore P_(consumed)=(110)^2/((220)^2//100)=25W`
Promotional Banner

Similar Questions

Explore conceptually related problems

An electric bulb is rated 220 V and 100 W . When it is operated on 110 V , the power consumed will be :

A 100W, 200V bulb is operated on a 110V line. The power consumed is

An electric bulb is rated 200 V and 100 W. When it is operated on 110V, the power consumed will be:

An electric bulb is rated at 220V, 100W. What is its resistance?