In a graded index fiber, the total reflected light takes a ___________.
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Electrical Engineering · all questionsElectronics & Instrumentation
Electronics & Instrumentation
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The CMRR of a typical IC OPAMP is
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In PMMC writing system, the magnitude of pen deflection is proportional to
S1: Current flowing through the coil
S2: Voltage in the coil
S1: Current flowing through the coil
S2: Voltage in the coil
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The horizontal plates of a CRO are supplied with ___________ to observe the waveform of signal.
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The outstanding characteristics of a D.C. amplifier is its
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Capacitive transducers are normally employed for___________ measurements.
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Self generating type transducers are ___________ transducers.
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The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ___________ transducer.
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An ammeter should have ___________ resistance.
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A voltmeter should have ___________ resistance.
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An ideal ammeter has ___________ resistance.
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LVDT is an/a ___________ transducer.
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Piezo – electric transducers work when we apply _____________ to it.
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A chopper amplifier
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The sensitivity factor of strain gauge is normally of the order of
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The change in resistance of a metal wire owing to strain is due to
S1: Change in dimension of wire expressed by factor (1-2µ)
S2: Change in resistance ?
S1: Change in dimension of wire expressed by factor (1-2µ)
S2: Change in resistance ?
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The amplifier gain varies with frequency. This happens mainly due to
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The negative feed back in an amplifier
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The improper response time of the amplifier in the biomedical recorders
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Which of the following are piezo electric substances?
1. Barium titanate
2. Lead titanate
3. Lead Zirconate
4. Cadmium and sulphate
1. Barium titanate
2. Lead titanate
3. Lead Zirconate
4. Cadmium and sulphate
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