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Given below are two electric circuits A ...

Given below are two electric circuits `A` and `B`
Calculate the ratio of power factor of the circuit `B` to the power factor of circuit `A`.

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Given below are two electric circuits `A` and `B`
Calculate the ratio of power factor of the circuit `B` to the power factor of circuit `A`.
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RESONANCE-ALTERNATING CURRENT-Exercise -3 Part-3
  1. What do you mean by the impedance of LCR-circuit

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  2. Distinguish between the term's average value and rmsvalue of an altern...

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  3. Explain with the help of a labelled diagram the underlying principal a...

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  4. Given below are two electric circuits A and B Calculate the ratio of...

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  5. In a series LCR circuit, the voltages across an inductor, a capacitor ...

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  6. Calculate current drawn by primary coil of a transformer, Which steps ...

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  7. Explain the term 'inductive reactance'.Show graphically the variation ...

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  8. Explain the term 'capacitive reactance'.Show graphically the variation...

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  9. Derive an expression for the impedance of an a.c. circuit consisting...

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  10. An inductor 200 mH, capactior 500 mu F, resistor 10 ohm are connected ...

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  11. The instantaneous current and voltage of an a.c. circuit are given by ...

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  12. A coil Q is connected to low voltage bulb B and placed near another co...

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  13. A series LCR circuit is connected to a source having voltage v=v(m) si...

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  14. In a series LCR circuit connected to an ac source of variable frequenc...

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  15. In an alternating circuit applied voltage is 200V, if R=8W X(L)=X(C)=6...

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  16. Draw phase diagram for a series LCR circuit with alternating voltage s...

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

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  18. A voltage V = V(0)sinomegat is applied to a series LCR circuit. Derive...

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  19. In an alternating circuit applied voltage is 200V if R=8W X(L)=X(C)=6O...

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  20. Draw a curve for showing variation in alternating current with frequen...

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