Kelvin’s bridge consists of _______

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Question:
Kelvin’s bridge consists of _______

1.double bridge

2.single bridge

3.half bridge

4. three fourth bridge

Posted Date:-2022-05-02 10:02:08

More MCQS Questions and answers

  1. Earthing does not help in protecting the equipment.
  2. Earthing is used as return conductor in telephone lines and for traction work.
  3. In a three phase system, the neutral is ____
  4. Megger works on the principle of ______
  5. The application of a megger is _____
  6. The role of the compensating coil in a megger is ________
  7. What is the condition to achieve a high sensitivity in a Kelvin bridge?
  8. Why can’t a Kelvin bridge be used for the measurement of low Quality factor value?
  9. A guard ring is provided in a megger to ________
  10. A resistor of 10 kΩ with the tolerance of 5% is connected in parallel with 5 kΩ resistors of 10% tolerance. What is the tolerance limit for a parallel network?
  11. A slide wire potentiometer has 10 wires of 2 m each. With the help of a standard voltage source of 1.045 V, it is standardized by keeping the jockey at 104.5 cm. If the resistance of potentiometer wires is 2000 Ω, then the value of working current is?
  12. Accuracy of Kelvin bridge is of the order of _______
  13. After earthing, the different parts of an electrical machinery are at _____
  14. Connection of the various parts of a circuit to earth has a ______
  15. Continuity between any two points can be measured using ______
  16. Earth electrode provides _____
  17. Electrical continuity between any two points exists if ______
  18. High resistances are of the order of _____
  19. How is the condition of an earth electrode measured?
  20. How is the contact resistance related to the circuit while measuring a low resistance?
  21. How is the megger calibrated?
  22. How is the voltage drop across a low resistance related to lead resistance?
  23. How to minimize the drift in the value of resistance measured using a Wheatstone bridge?
  24. Kelvin bridge can be calibrated to read ____
  25. Kelvin’s bridge consists of _______
  26. Low resistance is measured by _______
  27. Low resistance refers to _____
  28. Megger can be used for verifying the electrical insulation level of _______
  29. Megger is a ________
  30. Megger is also known as _____
  31. Megger is also used for _____
  32. Specific resistance of soil is _______
  33. The moving element of the ohmmeter in a megger consists of ______
  34. The range of resistance measured in a Kelvin bridge is _____
  35. The readings of polar type potentiometer are I = 12.4∠27.5°, V = 31.5∠38.4°. Then, reactance of the coil will be ______
  36. The relation between ratio of resistance arms and ratio of resistance arms of second bridge is ____
  37. The resistance can be measured most accurately by _______
  38. The role of the permanent magnet in a megger is to ________
  39. The supply to the megger is given by ________
  40. The voltage drop across a standard resistor of 0.2 Ω is balanced at 83 cm. Find the magnitude of the current, if the standard cell emf of 1.53 V is balanced at 42 m.
  41. What is an earth electrode?
  42. What is earthing?
  43. What is the effect of load and contact resistance in Kelvin bridge?
  44. What is the significance of a megger with respect to high resistance?
  45. What is the significance of measuring low resistances?
  46. Which is not a source of error in the measurement of low resistance?
  47. Which is the most popular method for measuring low resistance?
  48. Why a Wheatstone bridge can’t be used for signal conditioning?
  49. Why is the scale of a megger calibrated in megaohms?
  50. Why Kelvin bridge is used for measurement of low resistance?
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