Explore topic-wise MCQs in Electrical Measurements.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.

1.

Why is a delay line used in a CRO?

A. to boost the signal
B. to distort the signal
C. to provide signal delay
D. for stability
Answer» D. for stability
Discussion
2.

BJT is used in the amplifier stage.

A. True
B. False
Answer» B. False
Discussion
3.

WHY_IS_A_DELAY_LINE_USED_IN_A_CRO??$

A. to boost the signal
B. to distort the signal
C. to provide signal delay
D. for stability
Answer» D. for stability
Discussion
4.

BJT is used in the amplifier stage?

A. True
B. False
Answer» B. False
Discussion
5.

Phase inverter is used in an amplifier in the CRO because ___________

A. phase inversion is needed
B. no phase inversion is needed
C. it is needed to operate a push pull
D. it provides voltage stability
Answer» D. it provides voltage stability
Discussion
6.

Input stage in the amplifier consists of ___________

A. oscillator
B. attenuator
C. rectifier
D. op amp
Answer» C. rectifier
Discussion
7.

Amplifier is multiple stage in a CRO.

A. True
B. False
Answer» B. False
Discussion
8.

Role of an attenuator is ___________

A. to boost the signal
B. to distort the signal
C. to remove noise
D. to improve the operation
Answer» E.
Discussion
9.

Amplifier stage is ___________

A. half band
B. full band
C. wide band
D. narrow band
Answer» D. narrow band
Discussion
10.

Input signals are amplified using ___________

A. rectifier
B. amplifier
C. oscillator
D. op amp
Answer» C. oscillator
Discussion
11.

What is the role of CRT?

A. to emit electrons
B. to emit protons
C. to emit neutrons
D. to emit alpha particles
Answer» B. to emit protons
Discussion