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Related Questions

• Plane of eddy currents makes an angle with the plane of magnetic lines of force equal to

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• In a coil of area $10\;c{m^2}$ and 10 turns with a magnetic field directed perpendicular to the plane and is changing at the rate of ${10^8}$gauss/second. The resistance of the coil is 20 ohm. The current in the coil will be

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• The magnitude of the earth’s magnetic field at a place is ${B_0}$ and the angle of dip is $\delta $. A horizontal conductor of length l lying along the magnetic north-south moves eastwards with a velocity v. The emf induced across the conductor is

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• Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 second, given $L = 10 \mu H$

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• In a primary coil 5A current is flowing on 220 volts. In the secondary coil 2200V voltage produces. Then ratio of number of turns in secondary coil and primary coil will be

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