_____________________ states that the total current entering a junction is equal to the total current leaving the junction.
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An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :
Why does water tank appear shallower when viewed from the top?
For photoelectric effect to take place, the metal used as the cathode should have_________
Intensity of any wave is proportional to which of the following?
When light passes from one medium to another, this phenomenon of change in its direction is called _____.
An image formed by a concave mirror on a screen is called __________?
A person lifts luggage of 20 kg from the ground and puts it on his head 2 in above the ground. Calculate the work done by him. (g = l0 )