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State the underlying principle of a tran...

State the underlying principle of a transformer.

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MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. With the help of labelled diagram, describe the principle,construction...

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

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  3. State the underlying principle of a transformer.

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

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

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

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

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

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

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

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

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  12. Define mean value of an alternating current.

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

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

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

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

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

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

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

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

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