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Mention the two characteristic propertie...

Mention the two characteristic properties of the material suditable for making core of a transformer.

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CHHAYA PUBLICATION-ALTERNATING CURRENT -CBSE SCANNER
  1. Mention the two characteristic properties of the material suditable fo...

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  2. State the underlying principle of a transformer. How is the large scal...

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  3. An alternating voltage given by V=140sin314t is connected across a pur...

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  4. An alternating voltage given by V=140sin314t is connected across a pur...

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  5. In an A.C. circuit, the potential difference across an inductance and ...

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  6. For a given ac i=imsinomegat, show that the average power dissipated i...

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  7. A light bulb is rated at 100 W for a 220V ac supply. Calculate the res...

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  8. Why is the use of ac voltage preferred over dc voltage? Given two reas...

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  9. A voltage V0sinomegat is applied to a series LCR circuit, Derive the e...

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  10. Define the term 'quality factor' of resonance in series LCR circuit. W...

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  11. Show that the average power consumed in an inductor L connected to an ...

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  12. In a series LR circuit, XL=R and the power factor of the circuit is P1...

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  13. State the principle of an ac generator.

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  14. Explain briefly, with the help of labelled diagram, and obtain the exp...

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  15. Draw a schematic diagram showing the nature of the alternating emf gen...

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  16. When an ac source is connected to an ideal capacitor, show that the av...

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  17. A bulb is connected in series with a variable capacitor and an ac sour...

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  18. In a series LCR circuit connected to an ac source of voltage v=vmsinom...

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  19. A derive 'X' is connected to an ac source V=V0sinomegat.The variation ...

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  20. A derive 'X' is connected to an ac source V=V0sinomegat.The variation ...

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