Physics, asked by rajat2564, 1 year ago

An electric bulb is rated 60w 240v calculate its resistance if the voltage drops to 192v calculate the power consumed and current drawn by the bulb

Answers

Answered by chitijsrivastava

3

Explanation:

p=60w,v=240v

so now, p=v²/r 60=240×240/R =240×240/60=960ohm now,v=192v,r=960ohm. p=v²/r. 192×192/960=192/5=38.5w. p=v×i,I=192/5×192=0.2A

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