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What is alternating current?...

What is alternating current?

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R G PUBLICATION-ELECTROMAGNETIC INDUCTION-EXERCISE
  1. How do an eddy current generate?

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  2. Three inductance are connected as shown is fig. Calculate the resultan...

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  3. What is alternating current?

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  4. What is nuclear power generator.

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  5. State Faraday's law of electromagnetic induction.

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  6. Explain the concept of magnetic flux. Discuss its units and demension.

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  7. State Lenz's law.

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  8. Discuss briefly various method of producing induced emf.

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  9. Explain the phenomenon of self induction. Define co-efficient of self ...

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  10. A 10 henry inductor carries a current 2A. How can a 100 volt self indu...

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  11. The magnetic flux through a coil of 50 turns changes from 0.3wb per tu...

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  12. Why are coils in resistance box double wounded?

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  13. State Lenz's law.

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  14. A wheel with 25 metallic spokes each 0.4m long is rotated with a speed...

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  15. Write the different use of eddy current.

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  16. Write in brief the basic principles behind the modern ac generator mac...

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  17. Draw the various stages of generating an alternating current by a loop...

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  18. Show that the magnetic flux through a surface of area A placed in a un...

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  19. Deduce an expression for the self inductance of a long solenoid, the c...

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  20. Current in a circuit falls from 4.8A to 0.2A in 0.1s. If an average em...

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