electronics-inductors Related Question Answers
27. What will happen when an inductor's magnetic field collapses?
28. With a square wave input, an RL differentiator circuit with an output across the inductor will produce what type of waveform?
30. Find VR and VL.
31. If 360 Vac is the output of a 300-turn secondary winding, what is the input voltage when the primary winding has 150 turns?
32. When a magnet enters a coil and a voltage is induced, the process is known as:
33. What term is used to describe the action of magnetic flux from one circuit that cuts across the conductors of another circuit?
34. Reactance in an inductive circuit will:
35. A turns ratio of 5 for a transformer implies:
36. A practical inductor
37. When current in an inductor starts to change, it cannot react instantly due to:
38. What is the approximate time for a complete decay of 400 mA of inductor current, when R = 10 ohms and L = 20 H?
39. A utility pole transformer used to supply a residential customer with two phases uses:
41. When a coil collapses the induced circuit current will:
42. When a rate of one ampere per second causes an induced voltage of one volt, the unit of measure is
43. If you wanted to decrease the inductance of a coil, you might increase the:
44. The output phase for a transformer is:
45. Opposition to current flow without the dissipation of energy is called:
46. With 100 Vac applied to the primary of a transformer so that it draws 500 mA, what will be the 300 Vac secondary current?
47. Which coil would be used as a step-up transformer primary if coil number 1 has 100 more turns than coil number 2?
48. Find IR and IL.
49. When the transformer secondary is not loaded:
50. What is the current rise after 2 time constants if Vs = 12 V dc, R = 60 , and the inductor is rated at 24 mH?
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution