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What is the capacitive reactance of a ca...

What is the capacitive reactance of a capacitor used in a circuit having d.c. e.m.f.? Explain.

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BETTER CHOICE PUBLICATION-ALTERNATING CURRENTS -SHORT ANSWERTYPE QUESTIONS
  1. Which is more dangerous in use a.c. or d.c.? Explain, why?

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  2. The frequency of a.c. is doubled, what happens to inductive reactance?

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  3. What is the capacitive reactance of a capacitor used in a circuit hav...

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

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  5. An alternating e.m.f. is supplied to a pure resistance investigate the...

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  6. An alternating e.m.f. is supplied to a pure resistance investigate the...

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  7. An alternating e.m.f. is supplied to a pure inductor investigate the p...

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  8. Find a phase relation between current and voltage in an a.c. circuit c...

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  9. Show mathematically that in an a.c. circuit containing only inductance...

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  10. An alternate e.m.f. is applied to pure capacitance. Investigate the ph...

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  11. Finda phase relation between current and voltage in an a.c. circuit co...

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  12. Define terminal velocity and find an expression for it.

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  13. Derive the relation for mean value of alternating current.

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  14. Define mean value of an alternating current.

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  15. What is root mean square value of alternating current? Derive a relati...

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  16. Prove mathematically that the average power over a complete cycle of a...

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  17. Prove mathematically that the average power over a complete cycle of a...

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

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  19. Derive an expression for impedance of an a.c. circuit with an induct L...

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

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