51. Match List-I with List-II and select the correct answer using the options given below:
List-I (Measuring bridge)
List-II (Application)
a. Kelvin Double Bridge
1. Capacitance
b. Wien Bridge
2. Self inductance
c. Schering Bridge
3. Frequency
d. Maxwell's Bridge
4. Low resistance
| List-I (Measuring bridge) | List-II (Application) |
| a. Kelvin Double Bridge | 1. Capacitance |
| b. Wien Bridge | 2. Self inductance |
| c. Schering Bridge | 3. Frequency |
| d. Maxwell's Bridge | 4. Low resistance |
52. Which one of the following detectors is generally used in ac bridges for audio frequency range?
53. While using Maxwell bridge, the Q factor of a coil is obtained as
54. The most fundamental method of frequency measurement is
55. In the circuit shown in the figure, if the voltmeter and the ammeter are interchanged, it likely to result in damage to
56. The pressure and velocity at the throat of a Venturi tube, measuring the flow of a liquid, are related to the upstream pressure and velocity, respectively, as follows:
57. The full-scale deflecting torque of a 20 A moving-iron ammeter is 6 × 10-5 N-m. What is the rate of change of self-inductance with respect to the deflection of the pointer of the ammeter at full scale?
58. Which of the following statements is true about two wattmeter method for power measurement in three phase current?
59. To detect the small output voltage of LVDT which DVM is preferable.
60. In a digital voltmeter, input signal is integrated for a duration of 50 clock cycles. To eliminate the effect of 100 Hz noise present in the signal, what is the maximum clock frequency?
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