An electric lamp is marked 26 W, 220V. It is used for 10 hours daily. Calculate
its resistance while glowing.
Given
Power (P) = 26W
Voltage (V) = 220V
We know that
⇒ 
⇒ 
⇒ R = 
Hence the resistance is 
17
An electric lamp is marked 26 W, 220V. It is used for 10 hours daily. Calculate
its resistance while glowing.
Given
Power (P) = 26W
Voltage (V) = 220V
We know that
⇒
⇒
⇒ R =
Hence the resistance is