Electronics measurements instrumentaion
Previous year question paper with solutions for Electronics measurements instrumentaion
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- Define sensitivity and resolution with example.
- How the current meter is calibrated.
- What is the principle of moving iron instrument?
- Write three applications of spectrum analyzer.
- Differentiate between Fixed and variable AF oscillators.
- How the magnetic tape recorder records data?
- What is the principle of thermocouple transducer?
- List two applications of telemetry systems.
- What do you mean by Drift?
- How can a galvanometer be used as volt meter?
- What is the use of lissajous figure and draw it if vertical to horizontal frequency is 2:1?
- Differentiate the terms accuracy and precision.
- State the three types of systematic errors, giving examples of each.
- What is the use of chopper in micro voltmeter?
- State the principle of operation of galvanometer.
- What is the difference between the operation of fixed and variable AF oscillators?
- Define the term distortion factor.
- What is the difference between active and passive transducers?
- Define a strain gauge.
- Why is it necessary to use pre-amplification and filtering before data processing?
- What is data transmission?
- What is aquadag?
- What do you mean by resolution?
- Give the applications of CRO.
- What is difference between 3-digit and 4- digit displays?
- Define the terms 'hysteresis' and 'loading effect'.
- What are the draw backs of LCD?
- How many cycles of an 8 KHz sinusoidal signal appear on CRO screen if the sweep frequency is 2 KHz?
- What is difference between transducer and sensor?
- What is multiplexing?