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RESONANCE ENGLISH-ELECTROMAGNETIC INDUCTION-Exercise
- The unit of mutual inductance is-
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- In a step-down transformer input voltage is 200 volts and output volta...
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- Lenz's law is due to conservation of
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- On passing a current of 2A in a coil inductance 5H, the energy stored ...
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- A metal rod of length L is placed normal to a magnetic field and rotat...
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- The spokes of a wheel are made of metal and their lengths are of one m...
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- When the primary current in the spark-coil of a car changes from 4A to...
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- The self-inductance of a coil is 2H. The current in the coil changes f...
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- Area of a coil is 0.16m^2. If the magnetic field through it changes fr...
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- What will increase in step-down transformer?
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- If in a coil rate of change of area is 5 m^(2) / milli second and cur...
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- An electron beam is moving near to a conducting loop then the induced...
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- The magnetic flux linked with a coil, in webers is given by the equati...
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- A metal conductor of length 1 m rotates vertically about one of its en...
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- The resistance of a coil is 5 ohm and a current of 0.2A is induced in ...
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- If the length and area of cross-section of an inductor remain same but...
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- Self-inductance of a solenoid depend on-
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- When current flowing in a coil changes from 3A to 2A in one millisecon...
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- In the figure, magnetic energy stored in the coil is
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- The self-inductance of solenoid of length L, area of cross-section S a...
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