91. Which one of the following has a magnetic brake?
92. Use of high permeability core in moving iron instrument helps in
93. For the voltmeter, if meter movement is from 0-12 mA, then what will be its sensitivity?
94. A vector voltmeter can be used to measure
1. Complex insertion loss
2. Two-port network parameters
3. Amplifier gain and phase shift
4. Harmonic distortion
Which of the above are correct?
1. Complex insertion loss
2. Two-port network parameters
3. Amplifier gain and phase shift
4. Harmonic distortion
Which of the above are correct?
95. The phenomenon of creeping occurs in
96. A compensated wattmeter has its reading corrected for error due to which one of the following parameters?
97. Consider the following statements in respect of two types of a dynamometer wattmeter connections are shown below the figure (a) and figure (b).
1. Figure (a) is used when applied voltage is high and load current flowing is low.
2. Figure (b) is used when applied voltage is low and load current flowing is high.
3. If the order of connections in Statements 1 and 2 are in opposite order, gross error will be increased.
4. If the order of connections in Statements 1 and 2 are in opposite order, gross error will be reduced.
Which of the statements given above are correct?
1. Figure (a) is used when applied voltage is high and load current flowing is low.
2. Figure (b) is used when applied voltage is low and load current flowing is high.
3. If the order of connections in Statements 1 and 2 are in opposite order, gross error will be increased.
4. If the order of connections in Statements 1 and 2 are in opposite order, gross error will be reduced.
Which of the statements given above are correct?
98. Identify the correct matches:
List-I
List-II
a. Spirometer
1. Electric activity of heart
b. Sphygmomanometer
2. Respiratory volume measurement
c. Plethysmograph
3. Measurement of change in volume of body part
d. Electrocardiograph
4. Blood pressure measurement
| List-I | List-II |
| a. Spirometer | 1. Electric activity of heart |
| b. Sphygmomanometer | 2. Respiratory volume measurement |
| c. Plethysmograph | 3. Measurement of change in volume of body part |
| d. Electrocardiograph | 4. Blood pressure measurement |
99. For the measurement of electrical energy, we may use a
100. Match List-I with List-II and select the correct answer using the options given below:
List-I (Transducer)
List-II (Measured Quantity)
a. Hall Effect pick-up
1. Pressure
b. Piezoelectric pick-up
2. Velocity of a fluid
c. Hot-wire anemometer
3. Flow rate
d. Rotameter
4. Current
| List-I (Transducer) | List-II (Measured Quantity) |
| a. Hall Effect pick-up | 1. Pressure |
| b. Piezoelectric pick-up | 2. Velocity of a fluid |
| c. Hot-wire anemometer | 3. Flow rate |
| d. Rotameter | 4. Current |
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