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73.
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74.
Match List I with List II and select the correct answer using the codes given below the lists.
a. A→3, B→4, C→2, D→1List I (Type of instrument)
A. Telephone detector
B. Vibration galvanometer
C. Tunable amplifier
D. D'Arsonval galvanometerList II (Frequency range)
1. 200 Hz
2. 100 Hz
3. 1 kHz
4. DC
b. A→2, B→1, C→3, D→4
c. A→3, B→1, C→2, D→4
d. A→2, B→4, C→3, D→1
asked in Electrical Paper-1, 2007
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75.
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76.
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77.
Match List I with List II and select the correct answer using the codes given below the lists.
a. A→1, B→4, C→3, D→2List I (Property)
A. Linear scale
B. True rms up to RF range
C. rms only for sinusoidal input
D. Reads rms value using square law scaleList II (Type of the instrument)
1. Thermocouple type
2. Rectifier type
3. Moving iron type
4. Permanent magnet moving coil type
b. A→4, B→1, C→2, D→3
c. A→4, B→1, C→3, D→2
d. A→1, B→4, C→2, D→3
asked in Electrical Paper-1, 2007
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78.