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Hall effect:
While charged particles pass through a tube that has both an electric field & a magnetic field (perpendicular to the electric field) exist in it, only certain velocities of the charged particles are chosen, and will make it undeviated by the tube; the rest will be deflected in the sides. This influence is exploited in such devices as the mass spectrometer and within the Thompson experiment. It is called the Hall effect.
IMPULSE: When a force acts on a body for a very short time, the product of the force and the time for which the force acts, is called the impulse or impulse of force".
Q. Describes the construction of a 'Nicol Prism' and explains its action in converting UPL into PPL. Sol. Nicol Prism: This is the most simple and elegant polarizer and
What do you mean by transformer ratio? A current of 2A is passed through a coil of 1000 turns to produce a flux of 0.5µwb. Determine the self inductance of the coil.
group velocity and phase velocity
What angle we take between magnetic field and plane of loop....discuss the cases when induced emf is zero in a rotating frame. Ans) We know that Magnetic Flux through a given area
what is gravitational field is?
Hawking temperature: The temperature of a black hole caused through the emission of Hawking radiation. For a black hole along with mass m, it is following T = (hbar c 3 )/(
sir in books like hc verma i have seen if centre of mass remains at rest... then mx = mX...how?
want to know more about thermoeletric thermometer
Write the Maxwell's electromagnetic equation, which follows from the non-existence of isolated magnetic pole
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