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What is step up and step down transforme...

What is step up and step down transformer? To transfer electric energy from generating station initially step up transformer is used. Why?

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Differentiate between step up and step down transformer.

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R G PUBLICATION-ALTERNATING CURRENT-EXERCISE
  1. In a series LCR circuit in which R= 3Omega, L=25mH and C=800muF a sinu...

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

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

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  4. Describe in brief the concept of displacement.

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

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

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

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

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

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

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

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

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

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

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

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

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  17. Show that average power dissipated by a pure inductor and a pure capac...

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  18. The amplitude of current in series LCR circuit connected to an AC freq...

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  19. Fill in the blanks For an alternating current i=im sin omega t, passi...

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  20. Fill in the blanks The voltage of 220 v in an rms value with a peak v...

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