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A coil of wire of a certain radius has 6...

A coil of wire of a certain radius has `600` turns and a self-inductance of `108 mH`. The self-inductance of a `2^(nd)` similar coil of `500` turns will be

A

74 mH

B

75mH

C

76mH

D

77mH

Text Solution

Verified by Experts

The correct Answer is:
b
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MOTION-ELECTRO MAGNETIC INDUCTION-EXERCISE-1
  1. A metallic rod completes its circuit as shown in the figure. The circu...

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  2. The significance of self inductance L is the same as of that of ……in t...

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  3. A coil of wire of a certain radius has 600 turns and a self-inductance...

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  4. The value of the self inductance of a coil is 5 H. If the current in ...

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  5. The self inductance and resistance of coil are 5H and 20 Omega respect...

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  6. The growth of current in an L-R circuit in time t=L/r is equal to abou...

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  7. The current in an L - R circuit in a time t = 2L / R reduces to-

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  8. A coil of 10 H inductance has a 5 Omega resistance and is connected to...

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  9. A coil resistance R and inductance L is connected to a battery of emf ...

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  10. Calculate the ratio of power desipatted by the bulb at t=1 sec and t=2...

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  11. Calculated the ratio of current flowing through the battery at t=0 and...

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  12. Plot the variation of emf across the inductor with respect time

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  13. The coefficient of mutual induction between two coils is 4H. If the cu...

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  14. The coefficient of mutual induction between two closely lying coil doe...

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  15. Out of the two coils placed near each other, when a current of 2 amp i...

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  16. An inductor may store energy in

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  17. On making a coil of copper wire of length  and coil radius r, the val...

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  18. v34

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  19. The coefficient of coupling between two coil is maximum when the two c...

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  20. Two coils of self-inductance L(1) and L(2) are placed closed to each o...

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