- A. Differential amplifier
- B. DC amplifier
- C. Single ended amplifier
- D. Chopper amplifier
Electronics and Instrumentation
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The amplifier which has no drift is called as_____.
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An electrometer amplifier has high input impedance of_____.
- A. 10¹⁰Ω
- B. 10¹²Ω
- C. 10²⁰Ω
- D. 10¹⁴Ω
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_____ amplifier is used to drive the recorder.
- A. Power amplifier
- B. Pre amplifier
- C. Operational amplifier
- D. Differential amplifier
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The shorter wave length of the electron permits the detailed examination of tiny objects due to reduction of ______ effects.
- A. Reflection
- B. Diffraction
- C. Refraction
- D. Polarization
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A recorder is said to have good frequency response when the sensitivity of the system is _______ for all frequencies present in the signal.
- A. Unity
- B. Zero
- C. Infinity
- D. Constant
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Piezo electric crystal can produce an emf_____.
- A. When external mechanical force is applied to i
- B. When radiant energy stimulates the crystal
- C. When external magnetic field is applied
- D. When the junction of two such crystals are heated
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An ideal ammeter has _______ resistance.
- A. Low
- B. Infinite
- C. Zero
- D. High
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Silver chloride electrode is used as a reference electrode due to its_____.
- A. Large half cell potential
- B. Stable half cell potential
- C. Stable resting potential
- D. Stable action potential
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CMRR is more in_____.
- A. Single ended amplifier
- B. Differential amplifier
- C. Inverting operational amplifier
- D. Chopper amplifier
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A ______ is usually a display device used to produce a paper record of analog wave form.
- A. Graphic pen recorder
- B. Electron microscope
- C. X-Y recorder
- D. Oscilloscope