Home

What is the time constant for L of 240 mH in series with R of 20 ?

A. 12 ms

B. 4.8 s

C. 83.3 s

D. 12 s

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. In a multiple capacitora the plate area is
  2. For parallel capacitorsa total charge is
  3. When two unequal values of resistors are connected in parallel across a dc sourcea greater current flows…
  4. When voltage is applied across a ceramic dielectric the electrostatic field p roduced is 50 times greater…
  5. A coil of inductance L has an inductive reactance of XLin an ac circuit in which the effective current…
  6. What is expected when two 20 k a 1 watt resistor in parallel are use instead of one 10 k a 1 watt?
  7. What dielectric is generally employed by a variable capacitor?
  8. For a linear circuita ___ voltage or current is used to calculate average power.
  9. The distance between the capacitor plates increases two timesa then its capacitance
  10. Metal tin becomes superconductor at approximately
  11. What fusion of elements is without chemical action between them?
  12. Nortons theorem is what form of an ac equivalent circuit?
  13. In calculating maximum instantaneous power ___ voltage or current is used.
  14. Delta to wye or wye to delta transformation technique is applied to a ___ network.
  15. When the movable plates of a gang capacitor completely overlap the fixed platesa the capacitance of…
  16. The ratio of the flux density to the electric field intensity in the dielectric is called
  17. In a circuita an active element is one which
  18. A law which states that when a constant electromotive force is applied to a circuit consisting of a…
  19. What is the cross-sectional are of a conductor whose diameter is 0.001 inch?
  20. In adding or subtracting phasor quantitiesa ___ form is the most convenient.
  21. Which of the following conditions is not true for a series RLCcircuit at resonance?
  22. Which of the following describes the action of a capacitor?
  23. A rheostat is a form of
  24. In an RL series circuita
  25. Which of the statements below is not true?
  26. Kirchhoffs laws (KCL and KVL) are applicable to
  27. For a parallel ACcircuita ___ is used as a reference phasor.
  28. The open-circuit voltage at the terminal of load RL is 60V. Under the condition of maximum power transfera…
  29. What determines the direction of induced emf in a conductor or coil?
  30. Which of the following is a common material used in wire-wound resistors?