An electric bulb is rated at 220v-100w . if it is operated at 110 v then power consumed
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Answered by
1
You have to use the formula "P=IV" and answer is 50 watt
Answered by
0
Answer:
first u have to find the first parts but by using the formula P=V2/R
Ist parts: V = 220V
P= V2/R
100 W= 220square/R
= 484 ohm
similarly,
V= 110V
powe consumed = V2/R
= 110 square/R
= 110 square/484
= 25 W
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