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In what form is the energy stored in an ...

In what form is the energy stored in an inductor

A

magnetic

B

electrical

C

both magnetic and electrical

D

heat

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CHETANA PUBLICATION-Electromagnetic Induction-EXERCISE
  1. A 50 mH coil carries a current of 2 ampere. The energy stored in joule...

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  2. The current passing through a choke coil of 5 Henry is decreasing at t...

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  3. In what form is the energy stored in an inductor

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  4. The average e.m.f. induced in a coil in which the current changes from...

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  5. Two pure inductors each of self inductance L are connected in parallel...

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  6. The self inductance of a coil is 5 H, a current of 1 A change to 2 A w...

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  7. A straight conductor of length 0.4 m is moving with a velocity of 7m//...

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  8. A metal rod of length lm, rotates about its one end in a plane at righ...

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  9. The magnetic flux through a coil is 5 xx10^-4 Wb at time t = 0. It red...

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  10. Dimensional formula of magnetic flux is

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  11. A magnetic field of 2 xx 10^-2Wb//m^2actsat the right angles to a coil...

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  12. A rectangular coil of 25 turns, area of 25 cm^2 and resistance of 4 oh...

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  13. The magnetic flux in a coil is phi = 4t^2 + 4t + 4. What is the magnit...

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  14. A rod of length l is rotated about its one end, perpendicular to a mag...

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  15. A conducting circular loop is placed in a uniform magnetic field B = 0...

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  16. A 100 mH coil carries 1 A current .Energy stored in its magnetic field...

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  17. The current in a coil changes from 0 to 20 A in 0.5S. If the induced e...

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  18. Which one of the following is the unit of self inductance of a coil?

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  19. If L is the inductance and R is the resistance, then the unit of -L/R ...

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  20. The self inductance L of a solenoid of length l and area of cross-sect...

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