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If N is the number of turns in a coil, t...

If N is the number of turns in a coil, the value of self inductance varies as `prop` _____

A

`N^0`

B

N

C

`N^(1/2)`

D

`N^2`

Text Solution

Verified by Experts

The correct Answer is:
D
Self inductance of a coil of N turns
In `L=(mu_0N^2A)/l , (mu_0A)/l` constant
`therefore L prop N^2`
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KUMAR PRAKASHAN-ELECTROMAGNETIC INDUCTION-Section D MCQs (From DARPAN Based on Textbook )
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  2. Current I is following through a toroidal solenoid of radius r, length...

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

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

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

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  6. Mutual inductance of system of two coils is 0.3 H. If the current in t...

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  7. The flux linked with each turn of coil is 0.1 Wb and total number of t...

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  8. As shown in the figure, the planes of two concentric coils are mutuall...

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  9. Two circular coils can be arranged in any of the three situations as s...

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  10. X and Y coils are joined in a circuit in such a way that when the chan...

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  11. A circular coil of radius 5 cm has 500 turns of a wire. The approximat...

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  12. Mutual inductance of two coils can be increased by

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  13. Self inductance of straight conducting wire is

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  14. When current is increasing in the coil, the direction of induced emf i...

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  15. The self-inductance of a coil increases when the coil is wound on a so...

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  16. The frequency of A.C. mains in India is ….. Hz.

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  17. Energy stored in the choke coil is in the form of

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  18. The self-inductance of two solenoids A and B having equal length are s...

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  19. One electric generator produces power at 220 V potential difference. I...

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