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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-5 section-1

Each section contains 100 MCQs on Electronics and Instrumentation .
41
A voltmeter is connected in a ___________ with the circuit component across which potential difference is to be measured.
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Answer & Solution
Answer: Option A
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42
The slewing speed of X-Y recorder is
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Answer: Option D
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43
The resistance of LDR ____________ when exposed to radiant energy.
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Answer: Option D
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44
Fiber optic sensor can be used to sense ____________.
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Answer: Option A
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45
Most commonly used indicator electrode is
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Answer: Option D
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46
To reduce common mode interference during recording of bio signals one can use __________.
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Answer: Option B
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47
A series ohmmeter circuit uses a 3 V battery and a 1 mA meter movement. What is the half-scale resistance for this movement?
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Answer & Solution
Answer: Option A
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48
The size of air cored transducers in comparison to the iron core parts is
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Answer: Option B
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49
pH value of venous blood is
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Answer: Option C
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50
The resolution limit of electron microscope is
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Answer: Option B
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