An electric lamp rated 120W is used on a 240Vrms, calcula...
An electric lamp rated 120W is used on a 240Vrms, calculate the resistance of its filament
480\(\Omega\)
360\(\Omega\)
60\(\Omega\)
2\(\Omega\)
Correct answer is A
R = \(\frac{V^2}{P} = \frac{240^2}{120} = 480\Omega\)
Temperature is the property of a body which is proportional to the ____. ...
Which of the following statements are not true of a moving-coil milliammeter? I. It can be used t...
In the diagram above, the values of V1 and V2 are respectively...
The action of blotting paper on ink is due to ...
The ability of a wave to spread around corners is called ...