21. Out of an ammeter, a milli ammeter, a voltmeter and a milli voltmeter, which pair of the instruments have maximum and minimum resistance respectively?
22. Bridge circuits using resistance temperature detectors (RTD's) in temperature measurements usually employ the "three lead system" so as to obtain
23. Radiation pyrometers are used in the temperature range of
24. The strain gauge should have
1. High gauge factor
2. Low resistance temperature coefficient
3. High resistance
Which of the above statements are correct?
1. High gauge factor
2. Low resistance temperature coefficient
3. High resistance
Which of the above statements are correct?
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