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Electronics & Instrumentation MCQ Questions & Answers | Electrical Engineering

Learn Electronics & Instrumentation MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Electronics & Instrumentation MCQ question is the important chapter for a Electrical Engineering and GATE students. Page-3 section-1

Each section contains 100 MCQs on Electronics and Instrumentation .
21
In a graded index fiber, the total reflected light takes a ___________.
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Answer & Solution
Answer: Option B
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22
The CMRR of a typical IC OPAMP is
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Answer & Solution
Answer: Option B
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23
In PMMC writing system, the magnitude of pen deflection is proportional to
S1: Current flowing through the coil
S2: Voltage in the coil
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Answer & Solution
Answer: Option A
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24
The horizontal plates of a CRO are supplied with ___________ to observe the waveform of signal.
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Answer & Solution
Answer: Option C
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25
The outstanding characteristics of a D.C. amplifier is its
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Answer & Solution
Answer: Option A
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26
Capacitive transducers are normally employed for___________ measurements.
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Answer & Solution
Answer: Option B
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27
Self generating type transducers are ___________ transducers.
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Answer & Solution
Answer: Option A
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28
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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Answer & Solution
Answer: Option C
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29
An ammeter should have ___________ resistance.
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Answer & Solution
Answer: Option C
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30
A voltmeter should have ___________ resistance.
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Answer & Solution
Answer: Option B
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