📝 Multiple Choice Question
General-science
An electric bulb marked 100W-220V is connected to a 110V supply. The power consumed will be:
A
100 w
B
50 w
C
25 w
D
200 w
Explanation
Power is proportional to $V^2$. If voltage is halved, power becomes $(1/2)^2 = 1/4$ of the original.
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