A lamp is rated 240V, 60W. The resistance of the filament...
A lamp is rated 240V, 60W. The resistance of the filament is
960Ω
16Ω
15Ω
4Ω
Correct answer is A
P = V2R ⇒ R = V2p
= 240×24060
= 960Ω
Which of the following is TRUE of the particles emitted in radioactive disintegration? ...
An ice cube floats in a glass of water filled to the brim. What happens when the ice melts? ...
The dimension of universal gravitational constant is……….? ...
In the circuit diagram above , the ammeter reads a current of 3A when R is 5Ω and 6A when R is...
In a cathode ray tube, the function of the x-plates is to ...