81. Considering the following statements:
1. Use of digital computer along with transducer maked data manipulation easier.
2. Digital signals are not dependent on signal amplifiers and so are easy to transmit without distortion and external noise.
3. Increased accuracy in pulse count is possible.
4. There are ergonomic advantages in presenting digital data.
The main advantages of digital transducers include
1. Use of digital computer along with transducer maked data manipulation easier.
2. Digital signals are not dependent on signal amplifiers and so are easy to transmit without distortion and external noise.
3. Increased accuracy in pulse count is possible.
4. There are ergonomic advantages in presenting digital data.
The main advantages of digital transducers include
82. Which of the following are used in making resistance temperature detectors?
83. In a vortex shedding flow meter, the shedding frequency is $${\text{f}} = \frac{{{{\text{N}}_{{\text{st}}}}{\text{V}}}}{{\text{D}}}$$ where Nst is
84. Wagner's earth a.c. bridge circuit is used to eliminate the effect of
85. How can be resolution of a wire-wound potentiometer be improved?
86. A Q-meter is supplied with an oscillator having a 500 mV output voltage. While testing an unknown inductor, the voltage across the variable capacitor of the Q-meter, measured by a digital voltmeter, is obtained as 10 V. The Q-factor of the inductor is
87. The following type of instrument can be used for measuring AC voltage of the highest frequency with reasonable accuracy.
88. PMMC ammeter have uniform scale because
89. Heating effect of current is used in
90. Optical pyrometer is generally used to measure:
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