An electric bulb is rated as 220-100W. If the rated value drops by 2.5 % then the percentage of drop in power will be:
A. 10 %
B. 5 %
C. 20 %
D. 2.5 %
Answer:B
An electric bulb is rated as 220-100W. If the rated value drops by 2.5 % then the percentage of drop in power will be:
A. 10 % B. 5 % C. 20 % D. 2.5 %