Physics, asked by hardiksingh79, 1 year ago

an electric bulb is rated 220 volt and 100 watt when it is operated on 110v the power consumed will be

Answers

Answered by mishra35

1

Answer:

use p=v^2/r find resistence from here and again put the value of r in the formula u will get the answer

Explanation:

100=220.220/r ⇒r=22.22=484 ⇒p=110×110÷484≈25

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