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The arc across a switch when it open an RL circuit is a result of the

A. Large self-induced voltage across L

B. Long time constant

C. Low resistance of the open switch

D. Surge of resistance

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  1. In a circuita a passive element is one which
  2. The voltage lags the current by cycle in a
  3. Series resonant circuit is sometimes known as
  4. Voltage resonance means
  5. Which of the following is not considered a physical factor affecting resistance?
  6. A linear circuit is one whose parameters
  7. If a multiplate capacitor has 10 platesa each of area 10 cm2a then
  8. Which of the following is also known as antiresonant circuit?
  9. What is the reciprocal of capacitance?
  10. What is the cross-sectional are of a conductor whose diameter is 0.001 inch?
  11. In a parallel bank with unequal branch resistances
  12. In a rectangular wavea the form factor is
  13. A real current source has
  14. A tank circuit is a
  15. Which of the following describes the action of a capacitor?
  16. In a circuita an active element is one which
  17. Which component opposes voltage change?
  18. The result of rust in electrical (wire) connection is
  19. When two unequal values of resistors are connected in parallel across a dc sourcea greater current flows…
  20. An ac series circuit is composed of a resistance of 20 a inductive reactance of 40 a and a capacitive…
  21. What is the most common non-sinusoidal waveform?
  22. A capacitor is basically constructed of
  23. The unit of elastance is
  24. The second strip of an electronic resistor color-code represents
  25. The reason why alternating current can induce voltage is
  26. If resonant frequency is 10 kHz and quality factor is 50a then
  27. The hot resistance of an incandescent lamp is about ___ times its cold resistance.
  28. The value of temperature coefficient ( ) is dependent upon
  29. What is the specific resistance of a pure germanium?
  30. Why are inductance and capacitance not relevant in a dc circuit?