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Induction furnace make use of...

Induction furnace make use of

A

Electric field

B

Eddy current

C

Magnetic field

D

Gravitational field

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-Assignment (SECTION - A)
  1. A time varying magnetic flux passing through a coil is given by phi=xt...

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  2. A metallic ring is dropped down, keeping its plane perpendicular to a ...

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  3. Lights of a car become dim when the starter is operated. Why?

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  4. Coefficient of coupling between two coils of self-inductances L(1) and...

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  5. There is uniform magnetic field directed perpendicular and into the pl...

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  6. A square loop of wire with side length 10 cm is placed at angle of 45^...

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  7. Near a circular loop of conducing wires as shown, an electron moves al...

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  8. A uniformly wound solenoid coil of self inductance 1.8xx10^(-4)H and r...

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  9. The magnitude of the earth's magnetic field at a place is B(0) and an...

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  10. Two parallel rails of a railway track insulated from each other and wi...

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  11. When a low flying aircraft passes overhead, we sometimes notice a slig...

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  12. A simple pendulum with bob of mass m and conducting wire of length L s...

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  13. Electric field induced by changing magnetic fields are

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  14. A circular loop of radius R, carrying current I, lies in XY-plane with...

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  15. A helicopter rises vertically upwards with a speed of 100 m//s. If the...

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  16. The energy stored in an inductor of self inductance L carrying current...

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  17. An electric motor turns on DC source of emf 200 V and drawn a current ...

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  18. Induction furnace make use of

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  19. Two identical circular loops of metal wires are lying on a table witho...

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  20. A short solenoid of length 4 cm, radius 2 cm and 100 turns is placed i...

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