Which of the following is the ultimate source of energy?
In which direction does torque act?
What is the main principle behind the working of an electric motor? Â
What is the work done by a centripetal force on an object moving in a circular path at constant speed?
A toroid has a core (non-ferromagnetic) of inner radius 23 cm and outer radius 28 cm, around which 4000 turns of a wire are wound. If the current in th...
A thin conducting rod of length 3 m is aligned vertically (along the z-axis) and is moving in space with a velocity vector v = (i + 4j) m/s within a un...
Why does a fountain pen leak on an airplane flying at high altitude?
Which physical quantity has unit “Joule/second”? Â
The unit 'Weber' is associated with which of the following?
Which of the following is not a nuclear reaction?
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