An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be :
A. 100 W
B. 75 W
C. 50 W
D. 25 W
Answer:D
An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be :
A. 100 W B. 75 W C. 50 W D. 25 W