An electric bulb is rated 220 V – 60 W. The power consumed by it when operated at 110 V is
Answers
Answered by
1
Answer:
Here, power of the bulb, p = 100WVoltage, V = 220VResistance of the bulb, R = V power2/pOr, R = (220)power2/100. = 484 ohm when the bulb is operated at voltage V' = 100 v, then Power consumed, p' = V'squar/R = { 110} squar/ 484 = 25 W.
Explanation:
Similar questions