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Differentiate between step up and step d...

Differentiate between step up and step down transformer.

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R G PUBLICATION-ALTERNATING CURRENT-EXERCISE
  1. Write a short note on sharpness of resonance.

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  2. What are the two reasons for which LC Oscillations is not realistic?

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  3. Differentiate between step up and step down transformer.

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  4. Define the turn ratio, voltage ratio and current ratio of a transforme...

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  5. An ideal inductor consumes no power in the circuit. Explain.

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  6. Show that the average power dissipated depends not only on only on the...

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  7. Discuss grow and decay of current in L-R ckt?

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  8. What is meant by mean value of a.c. Derive an expression for mean valu...

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  9. Discuss parellel resonance circuit. Where is it used?

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  10. An ideal inductor consumes no power in the circuit. Explain.

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  11. In what situation it is preferable to use an a.c. over dc.?

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  12. A capacitor allows only a.c. to pass through. Why?

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  13. Calculate the phase difference between voltage and current when circui...

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  14. Calculate the energy stored in a capacitor.

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  15. With a diagram show that in pure resistor, the voltage and current are...

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  16. An ac voltage is applied to a series of LCR circuit. Determine the in...

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  17. "Larger the value of Q, the smaller of the value of 2 Delta omega or t...

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  18. A resistor of 100Omega and a capacitor of 20/pi muF are connected in s...

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  19. Show that the LC oscillation is similar to the mechanical oscillation ...

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  20. What are the main two types of transformer.

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