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Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Test  >  GATE Mock Test Series 2027  >  Test: Introduction to Oscillators - Electrical Engineering (EE) MCQ

GATE Electrical Engineering (EE) Test: Introduction to Oscillators Free


MCQ Practice Test & Solutions: Test: Introduction to Oscillators (10 Questions)

You can prepare effectively for Electrical Engineering (EE) GATE Electrical Engineering (EE) Mock Test Series 2027 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Introduction to Oscillators". These 10 questions have been designed by the experts with the latest curriculum of Electrical Engineering (EE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 10

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Test: Introduction to Oscillators - Question 1
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Oscillators are used to ______ AC voltage.

Detailed Solution: Question 1

Oscillators are used for generating AC voltage. They are often characterized by the frequency of the oscillations produced. There are two main types of electronic oscillators, linear/harmonic and nonlinear/relaxation oscillator.

Test: Introduction to Oscillators - Question 2
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Negative resistance are incorporated in oscillator for ___________

Detailed Solution: Question 2

Negative resistance are incorporated in oscillator for sustained oscillation. Negative resistance will cancel the damping by positive (normal) resistance.

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Test: Introduction to Oscillators - Question 3
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Primary trigger for oscillation is obtained from ___________

Detailed Solution: Question 3

The primary trigger for oscillation is obtained from noise voltage.

Test: Introduction to Oscillators - Question 4
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The output of a stable oscillator have ___________

Detailed Solution: Question 4

Output of a stable oscillator have constant amplitude and frequency. A common criteria is the Barkhausen stability criteria, wherein it states that loop gain should be unity and feedback should be positive.

Test: Introduction to Oscillators - Question 5
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In an oscillator if phase of feedback is same as that of oscillation waveform then feedback is called ___________

Detailed Solution: Question 5

In an oscillator if phase of feedback is same as that of oscillation waveform then feedback is called positive feedback.

Test: Introduction to Oscillators - Question 6
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Oscillator __________ an AC input for giving an AC output.

Detailed Solution: Question 6

An oscillator is an amplifier with positive feedback. It usually has a noise which is an amplifier as an oscillating output. They do not require any type of specific input to function properly.

Test: Introduction to Oscillators - Question 7
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For accomplishing negative resistance in oscillator we use _____________

Detailed Solution: Question 7

The input or output impedance of an amplifier with positive feedback applied, can be negative. When loop gain is greater than 1, the input impedance is a negative value, over a linear range. These are also called active resistors.

Test: Introduction to Oscillators - Question 8
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The AC power of output signal is obtained by ___________

Detailed Solution: Question 8

The Ac power of output signal is obtained by DC biasing voltage of amplifier.

Test: Introduction to Oscillators - Question 9
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The output waveform of a stable oscillator have ___________

Detailed Solution: Question 9

Output of a stable oscillator have constant amplitude and frequency.

Test: Introduction to Oscillators - Question 10
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The output of oscillator will not depend upon ___________

Detailed Solution: Question 10

The output of the oscillator will not depend upon input voltage. There is no input voltage for an oscillator.

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About this Electrical Engineering (EE) Practice Test

This test contains 10 MCQs on Introduction to Oscillators with detailed solutions for each question. It is part of the GATE Electrical Engineering (EE) Mock Test Series 2027 course on EduRev, designed to align with the current Electrical Engineering (EE) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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