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How does inductive reactance.XL of an in...

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

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Discuss the behaviour of an inductor in d.c. and high frequency a.c. circuits.

How does capacitive reactance X_c of a capacitor vary in an a.c. and d.c. circuit ?

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.

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.

Draw the graph showing the variation of reactance an inductor with the frequency of an a.c. circuit.

Draw the graphs showing variations of inductive reactance and capative reactance with frequency of applied a.c. source.

PUNJAB BOARD PREVIOUS YEAR PAPERS-ALTERNATING CURRENTS-EXERSICE
  1. The frequency of an ac supply is doubled, what happens to inductive re...

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

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

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

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

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

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  7. An alternating e.m.f is supplied through apure inductance. Investigate...

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  8. Derive an expression for average power in an LCR a.c. circuit.

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  9. Prove mathematically that the average value of alternating current ove...

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  10. Derive the expression for the impedance of an a.c. circuit with an ind...

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

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  12. What do you mean by the average value of a.c. ? Derive the expression ...

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

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  14. With the help of phasor diagram derive an expression for impedance in ...

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  15. Using phasor diagram, derive an expression for impedance of an a.c. ci...

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

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  17. Derive a relation for the average power of an alternating current circ...

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  18. Derive an expression for average power of an AC (alternating current) ...

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  19. Derive average power associated with pureinductor.

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  20. Define impedance of an electric circuit. How it differs from ohmic res...

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