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the inductance of a closed-packed coil o...

the inductance of a closed-packed coil of `400` turns is `8mH`. `A` current of `5mA` is passed through it. The magnetic flux through each turn of the coil is

A

`(1)/(4pi)mu_(0)wb`

B

`(1)/(2pi)mu_(0)wb`

C

`(1)/(3pi)mu_(0)wb`

D

`0.4 mu_(0)wb`

Text Solution

Verified by Experts

The correct Answer is:
A
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DISHA PUBLICATION-ELECTROMAGNETIC INDUCTION -EXERCISE - 1 : Concept Builder
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  3. the inductance of a closed-packed coil of 400 turns is 8mH. A current ...

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  6. A coil having an area A(0) is placed in a magnetic field which changes...

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  7. A horizontal telegraph wire 0.5 km long runing east and west in a part...

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  8. A coil having n turns and resistance R Omega is connected with a galva...

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  9. Two coils X and Y are linked such that emf E is induced in Y when the ...

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  10. A circular coil and a bar magnet placed nearby are made to move in the...

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

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  12. A straight conductor of length 4 m moves at a speed of 10 m/s when the...

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  13. Two coils have a mutual inductance 0.005 H. The current changes in the...

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  14. A varying current in a coils charge from 10 A to zero in 0.5 s .If th...

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  15. When the current in a coil changeg from 8 amperes to 2 amperes in 3xx1...

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  16. A coil of N=100 turns and area 1cm^2 carries a current I=5 A and creat...

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  17. In an inductance coil the current increases from zero to 6 ampere in 0...

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  18. The mutual inductance of a pair of a coil is 0.75 H. if the current in...

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  19. The coefficient of self-inductance of a solenoid is 0.18 mH. If a crud...

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  20. Two coil are placed close to each other. The mutual inductance of the ...

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