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The magnetic flux through a coil changes...

The magnetic flux through a coil changes from 12 mWb to 6 mWb in 0.01 s. What is the induced emf?

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BINA LIBRARY-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-EXERCISE
  1. A wire cuts across a flux of 0.2x10^(-2) weber in 0.12 second. Calcula...

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  2. A metallic wire 1 m in length is moving normally across a field of 0.1...

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  3. The magnetic flux through a coil changes from 12 mWb to 6 mWb in 0.01 ...

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  4. If the rate of change of current 2A second induces an emf of 40 mV in ...

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  5. What do you mean by self induction of a circuit?

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  6. Give SI unit of self induction.

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  7. What are the dimensions of self induction?

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

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  9. What is mutual inductance.

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  10. What are dimensions of mutual inductance?

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  11. Show that Weber = Volt Second

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  12. What is motional emf?

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  13. What is meant by rms value of alterating current?

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  14. Peak value of emf of an ac source is Ɛ0. What is its rms value ?

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  15. An alternating emf e = (10 sin 100 πt) volt where t is in second is im...

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  16. Calculate the total reactance if two inductor of 10mH and 50 mH are co...

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  17. Write down the expression for capacitive reactance.

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  18. Calculate the capacitive reactance if 40 mF is connected to a frequenc...

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  19. Write three advantages of friction ?

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  20. Calculate the reactance of capacitance in an AC circuit wherein the in...

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