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-8 section-1

Each section contains 100 MCQs on Electronics and Instrumentation .

The _________ of a recording system is the magnitude of input voltage required to produce a standard deflection in a recorded trace.

A) Accuracy B) Linearity C) Sensitivity D) Resolution

Discuss

Answer & Solution

Answer: Option C

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

Pre amplifier isolation in ECG circuit is to

A) Increase input impedance B) Decrease input impedance C) Increase output impedance D) Decrease output impedance

Discuss

Answer & Solution

Answer: Option A

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

LVDT windings are wound on

A) Steel sheets B) Aluminium C) Ferrite D) Copper

Discuss

Answer & Solution

Answer: Option C

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

The input resistance of a VTVM is about ___________.

A) 1000 Ω B) 10 kΩ C) 20 kΩ D) 10 MΩ

Discuss

Answer & Solution

Answer: Option D

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

When a number of components are fabricated on same IC chip it is necessary to provide isolation between two different components for input interconnection is called __________.

A) Input amplification B) Input differentiation C) Common mode rejection D) Input isolation

Discuss

Answer & Solution

Answer: Option D

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

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

Discuss

Answer & Solution

Answer: Option A

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

A strain gauge is a passive transducer and is employed for converting.

A) Mechanical displacement into a change of resistance B) Pressure into a change of resistance C) Force into a displacement D) Pressure into displacement

Discuss

Answer & Solution

Answer: Option A

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

The most accurate device for measuring voltage is ___________.

A) Voltmeter B) Multimeter C) CRO D) VTVM

Discuss

Answer & Solution

Answer: Option C

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

Photo multiplier consists of

A) 1 Photo emissive cathode & 2 dynodes B) 2 Photo emissive cathodes & 2 dynodes C) 2 Photo emissive cathodes & 1 dynode D) 1 Photo emissive cathode & 1 dynode

Discuss

Answer & Solution

Answer: Option A

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

For biomedical applications the mostly used amplifier is

A) Single ended amplifier B) Differential amplifier C) Inverting operational amplifier D) Chopper amplifier

Discuss

Answer & Solution

Answer: Option B

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

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Electronics & Instrumentation MCQ Questions & Answers | Electrical Engineering