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If L and R reperesnt respectively the in...

If L and R reperesnt respectively the inductance and resisitance the dimensions of L/R are

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R G PUBLICATION-ALTERNATING CURRENT-EXERCISE
  1. The frequency of a.c. is doubled. How do XL and XC get affected?

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  2. If L and R reperesnt respectively the inductance and resisitance the d...

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  3. What is eddy current? State two applications of eddy current.

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  4. Show that the mean value of complete G.C. cycle is zero.

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  5. In a series LCR circuit in which R= 3Omega, L=25mH and C=800muF a sinu...

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  6. In a series LCR circuit in which R= 3Omega, L=25mH and C=800muF a sinu...

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  7. What is step up and step down transformer? To transfer electric energy...

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  8. Describe in brief the concept of displacement.

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  9. Find the peak current in the circuit given below.

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  10. what is power factor of an L-C-R circuit? Explain on the basis of powe...

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  11. Why is electrical energy transmitted at high voltage from a distance p...

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  12. An AC source of emf E=200sin(100 pit) is connected across an inductor ...

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  13. An AC source of emf E=200sin(100 pit) is connected across an inductor ...

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  14. An AC source of emf E=200sin(100 pit) is connected across an inductor ...

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  15. State the working principle of a transformer. What is hysteresis loss ...

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  16. Briefly explain the working of A.C. generator.

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  17. An a.c. source of e.m.f. Vmsinwt is connected with a circuit which con...

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  18. A 40W-110V bulb is to be used in 220V-50Hz AC. Calculate the inductanc...

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  19. Explain the physical proces on the basis of which the r.m.s value of A...

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  20. A charged capacitor is connected to an inductor at an instant of time ...

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