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Derive an expression for average power o...

Derive an expression for average power of an AC (alternating current) circuit.

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MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. Show that the average power transferred to an a.c. circuit is in gener...

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  2. Determine the condition so that current in the circuit may be wattless...

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  3. Derive an expression for average power of an AC (alternating current) ...

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  4. What is a sereis resonant circuit? Derive an expression for resonance ...

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

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

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  7. Explain the function of a choke coil.

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

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

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

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  11. State the underlying principle of a transformer.

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

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

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

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

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

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

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

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

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  20. Define mean value of an alternating current.

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