Explore topic-wise MCQs in Electrical Engineering.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Q-meter is used to measure

A. Electrical properties of the capacitors only
B. Electrical properties of both the coils and the capacitors
C. Mechanical properties of the coils only
D. Electrical properties of the coils only
Answer» C. Mechanical properties of the coils only
Discussion
2.

A Q-meter is supplied with an oscillator having a 500 mV output voltage, While testing an unknown inductor, the voltage across the variable capacitor of the Q-meter, measured by a digital voltmeter, is obtained as 10 V. the Q-factor of the inductor is

A. 5
B. 10
C. 20
D. 0.05
Answer» D. 0.05
Discussion
3.

In a Q-meter, distributed capacitance of coil is measured by changing the capacitance of the tuning capacitor. The values of tuning capacitor are C1 and C2 for resonant frequencies f1 and 2f1 respectively. The value of distributed capacitance will be

A. \(\frac{{{C_1} - {C_2}}}{2}\)
B. \(\frac{{{C_1} - 2{C_2}}}{3}\)
C. \(\frac{{{C_1} - 4{C_2}}}{3}\)
D. \(\frac{{{C_1} - 3{C_2}}}{2}\)
Answer» D. \(\frac{{{C_1} - 3{C_2}}}{2}\)
Discussion
4.

A Q meter is best suited for the measurement of the

A. Quality factor of a capacitance
B. Distributed capacitance of a coil
C. Quality factor of piezoelectric sensor
D. Turns-ratio of a transformer
Answer» C. Quality factor of piezoelectric sensor
Discussion