An electric bulb is rated 220 V -100 W. If it is operated at 110 V then power consumed by it will be
A. 100 W
B. 50 W
C. 25 W
D. 400 W
Answer:C
An electric bulb is rated 220 V -100 W. If it is operated at 110 V then power consumed by it will be
A. 100 W B. 50 W C. 25 W D. 400 W