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A sinusoidal voltage e = 200 sin (100 t)...

A sinusoidal voltage e = 200 sin (100 t) is applied acrossaresistanceof `100Omega` then current measured by D.C. ammeter is

A

2 A

B

2.828 A

C

0.2 A

D

0

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CHETANA PUBLICATION-AC CIRCUITS-Exercise
  1. Thedisplacement currentisgivenby the expression

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  2. An alternating e.m.f. is given by e = 100 sin 314 t, the time within w...

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  3. A sinusoidal voltage e = 200 sin (100 t) is applied acrossaresistanceo...

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  4. Relation between erms and eois

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  5. A6Omega resistanceand 8Omega inductance are connected in series then p...

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  6. A current that does not perform any work is

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  7. In LCR series drcuit apparent power is

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  8. Seled true statement for purely inductive circuit

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  9. Resonance frequency for parallel LC circuit is given by

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  10. In LCR series drcuit, at resonance the applied e.m.f. and current

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  11. In series LCR circuit, at resonance impedance

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  12. In series LCR circuit R = 4Omega, L = 0.2 H and C = 0.1 F, at resonanc...

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  13. The impedance of LCR circuit increases with frequency when

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  14. Which of the following depends upon frequency?

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  15. In an R.C. circuit resistance = 4 Omega and XC = 3 Omega, then power f...

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  16. In a circuit L,Cand R are connected in series with an alternating volt...

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  17. In an AC circuit, e and i are given by e = 150 sin 150 t V and i = 150...

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  18. In a series LCR circuit the phase difference between the v oltage and ...

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  19. Select and write the most appropriate answer. The instantaneous curren...

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  20. An L- C - R series circuit is joined to a source of alternating e.m.f....

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