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A coil of 100 turns, 5cm^(2) area is pla...

A coil of 100 turns, `5cm^(2)` area is placed in external magnetic field of 0.2 Tesla (S.I) in such a way that plane of the coil makes an angle `30^(@)` with the field direction. Calculate magnetic flux of the coil (in weber)

A

` 5xx 10^(-3)`

B

` 4xx 10^(-3)`

C

` 1.2 xx 10^(-3)`

D

`3 xx 10^(-3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`phi=NBAcostheta`
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NARAYNA-ELECTROMAGNETIC INDUCTION-EXERCISE-1 (C.W)
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  4. A coil and a magnet moves with their constant speeds 10 m/sec and 5 m/...

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  5. The radius of a circular coil having 100 turns is 2 cm. its plane is n...

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  6. A short magnet is allowed to fall along the axis of a horizontal metal...

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  7. Magnetic flux in a circuite containing a coil of resistance 2Omegachan...

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  8. A coil of self inductance 2H carries a 2A current If direction of curr...

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  9. In an inductor of self-inductance L=2 mH, current changes with time ac...

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  10. A Conducting ring of radius 1 meter is placed in an uniform magnetic f...

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  11. when the wire loop is rotated in the magnetic field between the poles...

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  12. An inductor of 2 henry and a resistance of 10 ohms are connected in se...

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  13. A solenoid is 1.5 m long and its inner diameter is 4.0 cm . It has thr...

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  14. The current in ampere in an inductor is given by I=5 +16 t where t is...

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

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  16. In a magnetic field of 0.05T, area of a coil changes from 101 cm^(2) t...

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  17. The magnetic flux phi (in weber ) in a closed circuit of resistance 10...

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  18. A field of strenght 5 xx 10^(4)//pi ampere turns//meter acts at right ...

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  19. A coil has 1,000 turns and 500 cm^(2) as its area. The plane of the co...

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  20. A square loop of side 22 cm is changed to a circle in time 0.4 sec wit...

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