Question

Out of 40W and 60W which one have higher electrical resistance amd why?

Answer 1

I=Power/Voltage
I1=60/v
I2=40/V
I1/I2=60/V/40/V =60/40
=> I1>I2
SINCE, R IS inversly prpotional TO I
that is R increses when I decreases
I2 HAS HIGH RESISTANCE
SO, 40W LAMP HAS GREATER RESISTANCE