Impedance Z4 consists of ______

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Question:
 Impedance Z4 consists of ______

1. resistance Rx

2.capacitance Cx

3.combination of capacitance Cx and resistance Rx

4.consists of a detector

Posted Date:-2022-05-03 00:32:32

More MCQS Questions and answers

  1. A 100 μA ammeter has an internal resistance of 100 Ω. The range is to be extended to 500 μA. The shunt required is of resistance ______
  2. Balance equation for computing the inductance is ________
  3. Bridge balance equation for magnitude in terms of admittances is given by the relation.
  4. Impedance Z3 consists of______
  5. Impedance Z4 consists of ______
  6. Ratio arms of the bridge consists of _____
  7. Resistance is measured by the voltmeter-ammeter method employing DC excitation and a voltmeter is connected directly across the unknown resistance. If the voltmeter and ammeter readings are subject to maximum possible errors of ±2.4 % and ±1% respectively, then the magnitude of the maximum possible percentage error in the value of resistance deduced from the measurement is?
  8. The output waveform in an oscillator is _______
  9. Tuned detectors are used in the frequency range of ____
  10. A 35 V DC supply is connected across a resistance in series with an unknown resistance R. a voltmeter having a resistance of 1.2 kΩ is connected across 600 Ω resistance and reads 5 V. The value of the known resistance is 600 Ω. The value of resistance R will be?
  11. A DC ammeter has a resistance of 0.1 Ω and its current range is 0-100 A. If the range is to be extended to 0-500 A, the meter requires which of the following shunt resistance?
  12. A DC ammeter is rated for 15 A, 250 V. The meter constant is 14.4 A-s/rev. The meter constant at rated voltage may be expressed as ______
  13. A galvanometer with a full-scale current of 10 mA has a resistance of 1000 Ω. The multiplying power of a 100 Ω shunt with this galvanometer is?
  14. A setup is used to measure resistance R. The ammeter and voltmeter resistance are 0.01 Ω and 2000 Ω respectively. Their readings are 2 A and 180 V respectively, giving a measured resistance of 90 Ω. The percentage error in the measurement is?
  15. AC bridge is an outcome of ________
  16. Actual balance condition can be obtained by _____
  17. Anderson bridge is a modified form of ________
  18. Anderson bridge is used for ________
  19. Anderson’s bridge is basically used for ________
  20. At high frequencies in an AC bridge, the source is _______
  21. At high frequency, source consists of ______
  22. At very low frequencies in a AC bridge, the source is ______
  23. Bridge balance equation for magnitude is given by which of the following relation?
  24. Bridge can be used at audio frequency.
  25. Bridge depends on frequency.
  26. Bridge is used for the measurement of _________
  27. Bridge must be balanced for _____
  28. For capacitive impedances, the phase angle is _______
  29. For inductive impedances, the phase angle is _______
  30. For single frequency value, the most sensitive detector is ____
  31. How is the bridge balanced?
  32. In a capacitance bridge, the arms are _________
  33. In the simplest form, an AC bridge consists of _______
  34. Inductance comparison bridge is used to compute _____
  35. Inductance control is obtained by ______
  36. Phase angle is based on _______
  37. Ra and Rd are the opposite arms of a Wheatstone bridge as are Rc and Rb. The source voltage is applied across Ra and Rc. Then when the bridge is balanced which one of the following is true?
  38. Source is _______
  39. The frequency range of a typical oscillator is _______
  40. The output frequency of an oscillator is _______
  41. The output power of an oscillator is not enough to drive power circuits.
  42. The power output for a typical oscillator is _____
  43. The simultaneous applications of signals x (t) and y (t) to the horizontal and vertical plates respectively, of an oscilloscope, produce a vertical figure of 8 displays. If P and Q are constants and x(t) = P sin (4t + 30), then y(t) is equal to _____
  44. Tuned amplifier circuits respond to broad bandwidth at bridge frequency.
  45. Tuned amplifiers can be set to _______
  46. Unknown capacitance value is obtained by ______
  47. Vibration galvanometers are used for ____
  48. What is the frequency range for a headphone as a detector?
  49. When a bridge is balanced?
  50. When the capacitor used is imperfect, the inductance value changes.
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