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A magnet is made to oscillate with a par...

A magnet is made to oscillate with a particular frequency, passimg through a coil as shown in figure. The time variation of the magnitude of emf generated across the coil during one cycle

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MOTION-ELECTRO MAGNETIC INDUCTION-EXERCISE-4| Section A (Prevous Years Problems )
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  5. Two coils of self-inductance 2mH and 8 mH are placed so close togethe...

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  6. The primary and secondary coils of a transmformer have 50 and 1500 tur...

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  7. A transformer is used to light a 100 W and 110 V lamp from a 220V main...

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  8. The primary and secondary coils of a transmformer have 50 and 1500 tur...

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  9. A transformer is used to light a 100 W and 110 V lamp from a 220V main...

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  10. A circular disc of radius 0.2 m is placed in a uniform magnetic fied...

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  11. A long solenoid has 500 turns. When a current of 2A is passed through ...

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  12. A rectangular, a square , a circular and an elliptical loop, all in th...

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  13. A conducting circular loop is placed in a uniform magnetic field 0.04T...

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  14. A conducting circular loop is placed in a uniform magnetic field, B=0....

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  15. A solenoid of radius R and length L has a current I = I​0 cosωt. The v...

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  16. A coil of resistance 400Omega is placed in a magnetic field. If the ma...

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  17. The current (I) in the inductance is varying with time acroding to the...

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  18. In a coil of resistance 10 ohm , the induced current developed by chan...

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  19. A wire loop is rotated in magneitc field. The frequency of change of d...

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