A filament lamp is designed to work at a potential difference 250V have power 100W. what will be the power of this lamp when connected to a 100V supply?
Answers
Answered by
2
Answer:
answer is 40W
Explanation:
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Answered by
1
Answer:
40w
Explanation:
We have given that,
V=250 v & P=100w
if V=100v
then,
P=?/X
now
250/100=100/X
X=100x100/250
X=40w
*the power of this lamp will be 40w
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