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Two coils are placed closed to each othe...

Two coils are placed closed to each other. The mutual inductance of the pair of coils depends upon ........

A

the rates at which currents are changing in two coils

B

relative position and orientation of the two coils

C

the materials of the wires of the coils.

D

the currents in the two coils

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The correct Answer is:
B
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KUMAR PRAKASHAN-ELECTROMAGNETIC INDUCTION-Section D MCQs (MCQs asked in Competitive Exams )
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  2. Two coils are placed closed to each other. The mutual inductance of th...

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  3. When electric current in a coil steadily changes from +2 A to -2 A is ...

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  4. A coil having n turns and resistance ROmega is connected with a galva...

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  7. Which of the following units denotes the dimension M^1 L^2 Q^(-2) ? (w...

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  8. The flux linked with a coil at any instant 't' is given by phi=10t^2-5...

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  9. Two coaxial solenoids are made by winding thin insulated wire over a p...

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  10. In a coil of resistance 100 Omega , a current is induced by changing t...

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  11. A planar loop of wire rotates in a uniform magnetic field. Initially a...

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  12. The given loop is kept in a uniform magnetic field perpendicular to th...

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  13. A conducting square frame of side 'a' and a long straight wire carryin...

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  14. An electron moves on a straight line path XY as shown. The abcd is a c...

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  15. A long solenoid has 1000 turns. When a current of 4 A flows through it...

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  16. A uniform magnetic field is restricted within a region of radius r. Th...

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  17. A circular coil of radius 10 cm, 500 turns and resistance 2Omega is pl...

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  18. A bulb connected in series with an air-cored solenoid is lit by an a.c...

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  19. Inside a parallel plate capacitor the electric field E varies with tim...

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  20. The magnetic potential energy stored in a certain inductor is 25 mJ, w...

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