The resistance of 100 watt bulb is less than the resistance of 40 Watt bulb.Explain the reason.
Answers
Answered by
3
HEY!!
____________________________
⚫Suppose the resistance of 100 W bulb is R100 and the resistance of 40 W bulb is R40.
⚫They operate at voltage V.
⚫P = V2/R
⚫100 = V2/R100
⚫R100 = V2/100
⚫R40 = V2/40
⚫R40 > R100
____________________________
⚫Suppose the resistance of 100 W bulb is R100 and the resistance of 40 W bulb is R40.
⚫They operate at voltage V.
⚫P = V2/R
⚫100 = V2/R100
⚫R100 = V2/100
⚫R40 = V2/40
⚫R40 > R100
Similar questions