Physics, asked by lhtayushchand8826, 1 year ago

an isolated room has a bulb with three switches on the outside. identify which switch will make the bulb work

Answers

Answered by AKumarDas

turn a switch on and wait for 10 mins
then switch it off and turn on another switch

get in the room
the bulb which is off but hot is the first switch
the bulb which is on is the second switch
the bulb which is off and cold is the third switch

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