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Induction furnace is based on the heatin...

Induction furnace is based on the heating effect of .....

A

eddy current

B

magnetic field

C

electric field

D

gravitational field

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The correct Answer is:
A
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KUMAR PRAKASHAN-ELECTROMAGNETIC INDUCTION-Section D MCQs (From DARPAN Based on Textbook )
  1. Eddy currents are produced

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  2. Eddy current do not cause……..

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  3. Induction furnace is based on the heating effect of .....

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  4. A square conducting coil of area 100 "cm"^2 is placed normally inside ...

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  5. Self inductance of a solenoid is directly proportional to

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  6. Dimensional formula of self inductance is ......

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  7. When current passing through a coil is made doubled, its self inductan...

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  8. Two identical coils, each with self inductance L, are connected in ser...

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  9. Equivalent self inductance of above arrangement is

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  10. Series combination of 10Omega resistance and 5 cm long solenoid havin...

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  11. Two coils have a mutual inductance of 0.005H. The current changes in t...

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  12. For an inductor having self inductance 4.6 H, emf induced in it for ti...

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  13. Find mutual inductance of two coaxial solenoids of equal length 30 cm ...

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  14. A coil of resistance 20Omega and self-inductance 5 H connected with b...

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  15. The unit of inductance is equivalent to …..

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  16. A solenoid has radius r and length l carries a current I. If the numbe...

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  17. Current I is following through a toroidal solenoid of radius r, length...

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  18. If N is the number of turns in a coil, the value of self inductance va...

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  19. If number of turns in a coil is increased from 10 to 100, its inductan...

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  20. Two inductors each of self-inductance L is connected in parallel. If t...

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