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Define inductive reactance of an inducto...

Define inductive reactance of an inductor.

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    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise Exercise|132 Videos

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The variation of inductive reactance (X_L) of an inductor with the frequency of the ac sources of 100 V and variable frequency is shown in the figure. Calculate the self inductance of the inductor.

How does inductive reactance. X_L of an inductor vary in d.c.and high frequency a.c. circuit ?

The inductive reactance of an inductance of 1//pi H at 50 Hz is

The variation of inductive reactance (X_L) of an inductor with the frequency of the ac sources of 100 V and variable frequency is shown in the figure. When this inductor is used in series with a capacitor of unknown value and a resistor of 10 Omega at 300 s^1 , maximum power dissipation occurs in the circuit. calculate the capacitance of the capacitor.

Define inductive effect.

Define capacitive reactance of a capacitor.

Define Induction.

An a.c. voltage E = E_0 sin omegat is applied across an inductance L. Obtain an expression for the current in the circuit and hence obtain inductive reactance of the circuit .

PUNJAB BOARD PREVIOUS YEAR PAPERS-ALTERNATING CURRENTS-EXERSICE
  1. What is the phase relationship between current and voltage in an induc...

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

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  3. Define inductive reactance of an inductor.

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  4. What is Wattless current ?

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  5. Define capacitive reactance of a capacitor.

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  6. What is an idle current ?

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

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  8. What is the impedance of a circuit ?

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  9. What is impedance of circuit at resonance ?

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

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

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  12. Define resonant frequency of LCR series circuit.

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

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

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

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

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

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

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  19. Derive an our expressionforthe Power of an L.C.R.alternating current c...

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  20. Derive the relation for mean or average value of alternating current.

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