Explore topic-wise MCQs in Electrical Measurements.

This section includes 10 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.

Inductance of the coil is ________

A. L = \(\frac{1}{(2πf)C}\)
B. L = \(\frac{1}{(2πf)^2}\)
C. L = \(\frac{1}{C}\)
D. L = \(\frac{1}{(2πf)^2 C}\)
Answer» E.
Discussion
2.

Voltage across the shunt is measured by ________

A. voltmeter
B. multimeter
C. thermocouple
D. thermometer
Answer» D. thermometer
Discussion
3.

What is the relation between Q factor and voltage?

A. Q = \(\frac{1}{E}\)
B. Q = \(\frac{X_L}{R}=\frac{X_C}{R}=\frac{E_C}{E}\)
C. Q = E
D. Q = \(\frac{R}{X_L}=\frac{R}{X_C}=\frac{E}{E_C}\)
Answer» C. Q = E
Discussion
4.

Q factor for a series resonant circuit is?

A. Q = \(\frac{X_L}{R} = \frac{X_C}{R}\)
B. Q = XL R = XC R
C. Q = \(\frac{R}{X_L} = \frac{R}{X_C}\)
D. Q = \(\frac{1}{R}\)
Answer» B. Q = XL R = XC R
Discussion
5.

Voltage across the shunt is measured by _______?

A. voltmeter
B. multimeter
C. thermocouple
D. thermometer
Answer» D. thermometer
Discussion
6.

A practical Q meter consists of __________

A. Wien bridge oscillator
B. AF oscillator
C. RF oscillator
D. Crystal oscillator
Answer» D. Crystal oscillator
Discussion
7.

Q meter works on the principle of _______

A. barkhausen criterion
B. piezoelectric effect
C. parallel resonance
D. series resonance
Answer» E.
Discussion
8.

What is a Q meter?

A. quality meter
B. quantity meter
C. instrument
D. detector
Answer» D. detector
Discussion
9.

Q factor is also defined as the ratio of _______

A. resistance to reactance
B. reactance to resistance
C. power to voltage
D. current to power
Answer» C. power to voltage
Discussion
10.

Q factor is called __________

A. Quality factor
B. Quantity factor
C. Queen factor
D. Quarter factor
Answer» B. Quantity factor
Discussion