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What are the main two types of transform...

What are the main two types of transformer.

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R G PUBLICATION-ALTERNATING CURRENT-EXERCISE
  1. A capacitor allows only a.c. to pass through. Why?

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

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  3. Calculate the energy stored in a capacitor.

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

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

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

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

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

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  9. What are the main two types of transformer.

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

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

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

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  13. The instantaneous current from an a.c. source is given by I=5sim 314t....

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  14. The electric mains in house are marked 220V, 50 Hz. Write down the equ...

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  15. A sinusoidal voltage V=200 sin 314t is applied to a resistor of 10 Ome...

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  16. A sinusoidal voltage V=200 sin 314t is applied to a resistor of 10 Ome...

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  17. What should be the frequency of alternating 200V so as to pass maximum...

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  18. A 3muF capacitor is connected to a 220V, 50 Hz a.c. source. Calculate ...

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  19. Obtain the resonance frequency of a series LCR circuit with L=2H. C=32...

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  20. An inductor 20 mH, a capacitor 50 μF and a resistor 40 Ω are connected...

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