When we jump form the boat to the bank why the boat goes
backwards from the bank ?
Explain why does sun appear flat during sunrise and sunset?
What is the effeciency of solar cell (Current year)
Why is it important not to expose a patient to x-rays for too long?
When a person whirls a rock on the end of a string and maintains it in uniform circular motion, the force exerted on the rock is most accurately referred to as?
At what temperature does the filament of electric bulb glows ?
What is the Condensation ?
Which particles/ rays do radioactive substances emit?
A coil consisting of 200 turns of wire has its ends connected to a circuit such that the total resistance of the coil and the circuit is 2.0 ohm. There is no source of e.m.f. in the circuit. Each turn of the coil is a square of side 18 cm, and a uniform magnetic field directed perpendicular to the plane of the coil is turned on. If the field changes linearly from 0 to 0.5 T in 0.8 s, what is the magnitude of the current in the coil while the field is changing?
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How do you magnetize metal?
Why dies a cricket player lower his hands, while catching the ball ?
Why it is more difficult to stop a cricket ball than a tennis ball moving with same velocity ?