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Show that the average power dissipated d...

Show that the average power dissipated depends not only on only on the voltage and current, but also on the cosine of the phase angle `phi` between them.

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R G PUBLICATION-ALTERNATING CURRENT-EXERCISE
  1. Define the turn ratio, voltage ratio and current ratio of a transforme...

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  2. An ideal inductor consumes no power in the circuit. Explain.

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  3. Show that the average power dissipated depends not only on only on the...

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  4. Discuss grow and decay of current in L-R ckt?

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  5. What is meant by mean value of a.c. Derive an expression for mean valu...

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  6. Discuss parellel resonance circuit. Where is it used?

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  7. An ideal inductor consumes no power in the circuit. Explain.

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  8. In what situation it is preferable to use an a.c. over dc.?

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  9. A capacitor allows only a.c. to pass through. Why?

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  10. Calculate the phase difference between voltage and current when circui...

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  11. Calculate the energy stored in a capacitor.

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  12. With a diagram show that in pure resistor, the voltage and current are...

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  13. An ac voltage is applied to a series of LCR circuit. Determine the in...

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  14. "Larger the value of Q, the smaller of the value of 2 Delta omega or t...

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  15. A resistor of 100Omega and a capacitor of 20/pi muF are connected in s...

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  16. Show that the LC oscillation is similar to the mechanical oscillation ...

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  17. What are the main two types of transformer.

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  18. A transformer is used to illuminate a bulvb (36 watt and 12v) with the...

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  19. Calculate the total resistance in L-C-R circuit by mathematical method...

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  20. Calculate the phase difference between voltage and current at resonanc...

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