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Write three advantages of friction ?...

Write three advantages of friction ?

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BINA LIBRARY-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-EXERCISE
  1. Write down the expression for capacitive reactance.

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

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  3. Write three advantages of friction ?

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

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  5. What is power dissipation in an ac circuit in which voltage and curren...

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  6. what is power factor of an L-C-R circuit? Explain on the basis of powe...

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  7. What is the phase difference between voltage and current in L-C-R circ...

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  8. What is resonance?

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  9. State the condition of resonance in a series LCR circuit driven by ac ...

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  10. State Faraday's law of electromagnetic induction.

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  11. State len's Law of electromagnetic induction. Establish that lenz's La...

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  12. A coil having n turns has self inductance L. Deduce the relation, e=-L...

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  13. How does energy stored in a inductor?

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  14. Find the expression for mutual inductance between a pair of co-axial c...

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  15. A metal rod of length l is placed normal to a uniform magnetic field B...

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  16. How do an eddy current generate?

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  17. Show that the rms value of an ac is1/sqrt2 of its peak value.

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  18. what is power factor of an L-C-R circuit? Explain on the basis of powe...

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  19. What are meant by inductive reactance and capacitive reactance of a ci...

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  20. Write a short note on sharpness of resonance.

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