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What do you mean by impedance of LCR ser...

What do you mean by impedance of LCR series circuit ? Derive an expression for it . What is the condition for resonance ?

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MODERN PUBLICATION-ALTERNATING CURRENT -Revision Exercises Short Answer Questions
  1. How will the inductive reactance and capacitive reactance change on do...

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  2. Can the voltage drop across the inductor or capacitro in a series LCR ...

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  3. What do you mean by impedance of LCR series circuit ? Derive an expres...

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  4. Why does a capacitor block DC whereas an inductor allows DC to pass th...

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  5. (i) An a.c. Source of voltage V = V(0) " sin " omegat is connected...

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  6. In an LCR series combination R= 400 Omega L =100 mH and C = 1 muF . ...

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  7. Give three elements X, Y and Z to be connected across an ac source . W...

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  8. A capacitor C a variable resistor R and a bulb B are connected in seri...

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  9. Why is the use of AC voltage preferred over DC voltage ? Give two reas...

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

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  11. Draw the phasor diagram of a series LCR connected across an ac source ...

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  12. (a) For a given a.c., i = i(m) sin wt, show that the average power dis...

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  13. (a) In a series LCR circuit connected across an AC source of varible f...

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  14. What is electric resonance ?

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  15. Write down the condition of resonance in series L-C-R circuit and henc...

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  16. An inductor L of inductance X(L) is connected in series with a bulb B ...

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  17. Answer the following questions : (a) In any a.c. circuit, is the app...

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  18. What is the power dissipation in an AC circuit in which voltage and cu...

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  19. Obtain anexpression for the average power of an a.c circuit .

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  20. What is wattless current ?

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