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Two circular coils can be arranged in an...

Two circular coils can be arranged in any of the three situations as shown in figure. Their mutual inductance (M) will be ..

A

Maximum in situation (1)

B

Maximum in situation (2)

C

Maximum in situation (3)

D

The same in all situations.

Text Solution

Verified by Experts

The correct Answer is:
A
The flux associated with the smaller coil for a current in the bigger coil. The flux linked to the smaller coil will be maximum (`M prop phi`) for the situation (1).
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KUMAR PRAKASHAN-ELECTROMAGNETIC INDUCTION-Section D MCQs (From DARPAN Based on Textbook )
  1. The flux linked with each turn of coil is 0.1 Wb and total number of t...

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

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

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

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

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  6. Mutual inductance of two coils can be increased by

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  7. Self inductance of straight conducting wire is

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

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

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

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

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

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

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  14. In one A.C. generator, brushes connected with slip rings become positi...

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  16. Voltage obtained in one A.C. generator V=V0 cos omegat . If V0 = 10 vo...

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  17. A circular coil with radius 10 cm and 10 no. of tightly wound identica...

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  18. A generator produces a voltage that is given by V = 240 sin 120t, wher...

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  19. If an A.C. current of frequency 50 Hz is flowing through a conducting ...

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  20. A coil having N turns and area A is rotating in uniform magnetic field...

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