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What is the phase relationship between c...

What is the phase relationship between current and voltage in an inductor?

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PUNJAB BOARD PREVIOUS YEAR PAPERS-ALTERNATING CURRENTS-EXERSICE
  1. A series LCR circuit with R = 20Omega (Ohm), L = 1,5H (Henry) and C= 3...

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  2. What is the relation between peak value and root mean square value of ...

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  3. What is the phase relationship between current and voltage in an induc...

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  4. What do you mean by power factor of an a.c. circuit ?

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  5. Define inductive reactance of an inductor.

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  6. What is Wattless current ?

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  7. Define capacitive reactance of a capacitor.

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  8. What is an idle current ?

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  9. Define impedance of an a.c. circuit.

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  10. What is the impedance of a circuit ?

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  11. What is impedance of circuit at resonance ?

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  12. For a circuit at resonance, voltage applied is E = E@ sin wt and curre...

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  13. For a circuit at resonance, voltage applied is E = E@ sin wt and curre...

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  14. Define resonant frequency of LCR series circuit.

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  15. Which is more dangerous in use :a.c or d.c. ? Explain, why

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  16. Define root mean square value of an alternating current.

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  17. The frequency of an ac supply is doubled, what happens to inductive re...

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  18. How does capacitive reactance Xc of a capacitor vary in an a.c. and d....

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  19. How does inductive reactance.XL of an inductor vary in d.c.and high fr...

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  20. Define root mean square value of an alternating current.

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