An bulb is rated 100w 220v find its resistance
Answers
Answered by
15
Power = V^2/R
R = V^2/P
= 220^2/100
= 48400/100
=> 484 ohm.
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R = V^2/P
= 220^2/100
= 48400/100
=> 484 ohm.
HOPE IT WILL HELP YOU. . . . . .
PLZ MARK MY ANSWER AS BRAINLIEST AS SOON AS POSSIBLE! ! ! ! ! ! ! ! !
Answered by
12
Hello dear we know that
Power = v²/R
So use it here
P= 100w
Voltage (v) = 220 v
Resistance (R) = ?
So from the formula R = v²/P
So put the values
=> R = (220)²/100
=> R = 48400/100
=>R = 484 ohm
Power = v²/R
So use it here
P= 100w
Voltage (v) = 220 v
Resistance (R) = ?
So from the formula R = v²/P
So put the values
=> R = (220)²/100
=> R = 48400/100
=>R = 484 ohm
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