An alternating current with a peak value of 5A passes thr...
An alternating current with a peak value of 5A passes through a resistor of resistance 10Ω. Calculate the rate at which energy is dissipated in the resistor
250W
125W
50W
35.4W
12.5W
Correct answer is A
P=I2R=25×10=250W
Which of the following pairs is part of the electromagnetic spectrum? I. Radio waves II...
An object is projected with a velocity of 50ms-1 from ground level at an angle θ to the vertic...
A reservoir is filled with liquid of density 2000 kgm−1. Calculate the depth at which the pre...
A parallel plate capacitor has a common plate area of 5 x 10−8m2 and plate separation of 2 x ...
Convex mirrors are used as driving mirrors because images formed are ...