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-10 section-1

Each section contains 100 MCQs on Electronics and Instrumentation .

The amplifier which has no drift is called as

A) Differential amplifier B) DC amplifier C) Single ended amplifier D) Chopper amplifier

Discuss

Answer & Solution

Answer: Option D

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

Function of microscope is
S1: To magnify object, under observation
S2: To resolve the object

A) S1 is true & S2 is false B) S2 is true & S1 is false C) Both S1 & S2 are true D) Both S1 & S2 are false

Discuss

Answer & Solution

Answer: Option C

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

In a LVDT, the two secondary voltages

A) Are independent of the core position B) Vary unequally depending on the core position C) Vary equally depending on the core position D) Are always in phase quadrature

Discuss

Answer & Solution

Answer: Option B

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

Test electrode is also known as

A) Indicator electrode B) Reference electrode C) Second electrode D) Primary electrode

Discuss

Answer & Solution

Answer: Option A

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

Quartz and Rochelle salt belongs to ___________ of piezo-electric materials

A) Natural group B) Synthetic group C) Natural or Synthetic group D) Fiber group

Discuss

Answer & Solution

Answer: Option A

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

A ___________ is usually a display device used to produce a paper record of analog wave form.

A) Graphic pen recorder B) Electron microscope C) X-Y recorder D) Oscilloscope

Discuss

Answer & Solution

Answer: Option A

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

____________ fiber is used in interferometric instruments.

A) Monomode B) Multimode C) Birefringent D) Coated

Discuss

Answer & Solution

Answer: Option A

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

Fidelity represents
S1: Reproduction of signal
S2: Reproduction of phase relation

A) S1 and S2 are true B) S1 and S2 are false C) S1 false and S2 true D) S1 true and S2 false

Discuss

Answer & Solution

Answer: Option D

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

In an amplifier, the coupling capacitors are employed for

A) Limiting the bandwidth B) Matching the impedance C) Preventing of Dc mixing with input or output D) Controlling the output

Discuss

Answer & Solution

Answer: Option C

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

100

The application of LVDT is

A) Joint motion B) Finger movement C) Limb movement D) Heart wall motion

Discuss

Answer & Solution

Answer: Option C

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

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Electronics & Instrumentation MCQ Questions & Answers | Electrical Engineering