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A coil has an area of 0.05 m^2 and it ha...

A coil has an area of `0.05 m^2` and it has 800 turns. It is placed perpendicularly in a magnetic field of strength `4 xx 10^-5 wb//m^2`, it is rotated through `90^@` in 0.1 sec. The average e.m.f. induced in the coil is

A

0.056V

B

0.046V

C

0.026V

D

0/016V

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CHETANA PUBLICATION-Electromagnetic Induction-EXERCISE
  1. A rectangular coil of 20 turns and area of cross section 25 sqcm has a...

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  2. The magnetic flux linked with a coil, in webers is given by the equati...

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  3. A coil has an area of 0.05 m^2 and it has 800 turns. It is placed perp...

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  4. A 10 metre wire kept in east-west direction is falling with velocity 5...

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  5. A metal conductor of length 1m rotates vertically about one of its end...

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  6. A conducting wire is moving towards right in a magneticfield B.The dir...

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  7. An e.m.f. of 5 volt is produced by a self inductance, when the current...

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  8. A 50 mH coil carries a current of 2 ampere. The energy stored in joule...

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

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

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

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

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

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

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

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

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  17. Dimensional formula of magnetic flux is

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

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

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

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