If the maximum voltage across a 100ohms resistor is 20V, ...
If the maximum voltage across a 100ohms resistor is 20V, then the maximum power it can dissipate is
5.00W
4.00W
2.00W
25W
Correct answer is B
P = V2R
= 20×20100
= 4W
Which of the following electromagnetic waves is least energetic? ...
During a thunderstorm, the sound is heard over a long time. this phenomenon is referred to as? ...
The S.I units of frequency, period and amplitude of a wave are respectively...
At different locations on the earth's surface, the earth's magnetic field is ...
A piece of cork floats in a liquid. What fraction of its volume will be immersed in the liquid? ...
Calculate the inductance L of the coil in the circuit shown above. ...