Electronics & Instrumentation MCQ Questions & Answers

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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-7 section-1

Each section contains 100 MCQs on Electronics and Instrumentation .

Using mechanical chopper we cannot achieve high chopping rates due to their

A) Input impedance B) Output impedance C) Response time D) Inertia

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

An ammeter has a resistance of G ohms and range of I amperes. The value of resistance required in parallel to convert it into an ammeter of range nI is ___________.

A) nG B) (n - 1)G C) $$\frac{{\text{G}}}{{{\text{n}} - 1}}$$ D) $$\frac{{\text{G}}}{{\text{n}}}$$

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

A voltmeter has a resistance of G ohms and range V volts. The value of resistance required in series to convert it into voltmeter of range nV is ___________.

A) nG B) $$\frac{{\text{G}}}{{\text{n}}}$$ C) $$\frac{{\text{G}}}{{{\text{n}} - 1}}$$ D) (n - 1)G

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

_____________ is also known as halftone storage or mersh storage.

A) Variable persistence storage B) Bistable storage C) Flat storage D) CRT

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The sensitivity of a multimeter is given in ___________.

A) $$\Omega $$ B) Amperes C) $$\frac{{{\text{k}}\Omega }}{{\text{V}}}$$ D) None of the above

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

An electrometer amplifier has high input impedance of

A) 10¹⁰Ω B) 10¹²Ω C) 10²⁰Ω D) 10¹⁴Ω

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Venturi is associated with

A) Venous blood pressure B) Digital plethysmography C) Dialysate flow in artificial kidney D) Blood flow in heart lung machine

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The decibel is a measure of

A) Current B) Voltage C) Power D) Power level

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

When the input of differential amplifier V1 = 0, then the differential amplifier is said to be operated in

A) Common mode B) Differential mode C) Non inverting mode D) Inverting mode

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

When either one of the inputs to the differential amplifier is equal to zero then it is said to be operated in

A) Single ended mode B) Differential mode C) Non inverting mode D) Inverting mode

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Electronics & Instrumentation MCQ Questions & Answers | Electrical Engineering