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Define average value of alternating curr...

Define average value of alternating current . Derive an expression for it .

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MODERN PUBLICATION-ALTERNATING CURRENT -Revision Exercises Short Answer Questions
  1. Define average value of alternating current . Derive an expression for...

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  2. An alternating current from a source is represented by I= I(0) sin ...

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

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  4. Define root mean square value of alternating current and derive an exp...

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  5. Derive the expression for the power dissipated by an ideal resistor in...

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  6. Derive the relation between current and voltage in a purely resistive ...

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  7. A voltage, E = E(0) sin omega t is applied across an inductor L. Obtai...

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  8. An inductor acts as a conductor for d.c. why ?

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  9. With the help of a phasor diagram find an expression for impedance (Z)...

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  10. A capacitor behaves like a perfect conductor for high frequency AC. Ex...

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  11. A Capacitor blocks d.c. and allows a.c. Why ?

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  12. When an ac source is connected to an ideal capacitor, show that the av...

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  13. Prove that an ideal capacitor in an a.c. circuit does not dissipate po...

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  14. Show that the current leads the voltage in phase by pi//2 in an AC cir...

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  15. What is a phasor ? What is the phase difference between current and vo...

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  16. Can a capacitor of suitable capacitance be use dto control a.c in plac...

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  17. Show that in the free oscillations of an LC circuit, the sum of energi...

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  18. A bulb connected in series with a solenoid is lit by a.c. source, Fig....

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  19. How will the inductive reactance and capacitive reactance change on do...

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

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