You are given 3 bulb of 25 watt 40 watt and 60 watt mark at 220 volt which one of them has lowest resistance
Answers
Answered by
2
Use the given formula to calculate the resistance
R= Vrated^2 divide by Prated
R1= 220*220/25=1936 ohm
R2=220*220/40=1210 ohm
R3=220*220/60= 806.666 ohm
Similar questions