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What is the principle of a transformer ?...

What is the principle of a transformer ? Explain the theory and its application for long distance transmission of electrical energy.

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MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. Explain principle and theory of Transformer with the help of diagram.

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

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

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

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

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

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

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  8. Define mean value of an alternating current.

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

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

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

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  12. An alternate e.m.f. is applied to pure capacitance. Investigate the ph...

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  13. Find a phase relation between current and voltage in an a.c. circuit c...

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  14. Finda phase relation between current and voltage in an a.c. circuit co...

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  15. How does the term ohmic resistance differ from impedance? With the hel...

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  16. What do you mean by the impedance of LCR-circuit?

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  17. When does a series LCR circuit have minimum impedance?

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  18. A series LCR circuit is connected to a source having voltage v=v(m) si...

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  19. A series LCR circuit is connected to a source having voltage v=v(m) si...

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  20. An a.c. voltage E = E0 sin omegat is applied across a series combinati...

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