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Explain the construction and working of a choke. Explain, why is it preferred to resistance in a.c. circuits.

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MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. What is a sereis resonant circuit? Derive an expression for resonance ...

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  2. Describe principle, construction and uses of a choke coil.

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  3. Explain the construction and working of a choke. Explain, why is it pr...

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  4. Explain the function of a choke coil.

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  5. Explain principle and theory of Transformer with the help of diagram.

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  6. With the help of labelled diagram, describe the principle,construction...

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  7. Why is the core of a transformer laminated? explain.

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  8. State the underlying principle of a transformer.

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  9. Explain principle and theory of Transformer with the help of diagram.

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  10. Explain principle and theory of Transformer with the help of diagram.

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  11. Describe the use of transformer for long distance transmission of a.c.

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  12. What is the principle of a transformer ? Explain the theory and its ap...

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  13. What is root mean square value of alternating current? Derive a relati...

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  14. Derive an expression for mean value of first half cycle of a.c. Also f...

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  15. Derive the relation for mean value of alternating current.

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  16. Distinguish between 'average value' and 'r.m.s value' of an alternatin...

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  17. Define mean value of an alternating current.

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  18. What are mean value and RMS values of AC?

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  19. An alternating e.m.f. is supplied to a pure resistance investigate the...

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  20. An alternating e.m.f. is supplied to a pure inductor investigate the p...

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