Explore topic-wise MCQs in Analog Electronic Circuits.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Electronic Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

In figure the bridge is balanced when Z 4 is

A. 120?70°
B. 187.5? - 10°
C. 187.5? - 70°
D. 333.3? - 70°
Answer» D. 333.3? - 70°
2.

It is required to measure angular position. Out of the transducers

A. 1, 2, 3, 4
B. 2 and 3
C. 1, 2, 4
D. 1 and 4
Answer» E.
3.

Consider the following statements: In a differential amplifier using JFET, the differential output offset is due to

A. 1 and 2
B. 1, 2, 3
C. 2, 3
D. 1, 3
Answer» B. 1, 2, 3
4.

The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240 x 10 -6 N-m on full scale. If B = 1 Wb/m 2 , range of meter is

A. 1 mA
B. 2 mA
C. 3 mA
D. 4 mA
Answer» C. 3 mA
5.

The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X -plate input is 2 sin ? t , the Y -plate input is

A. 2 sin ? t
B. 2 sin (? t + 45°)
C. 2 sin (? t - 45°)
D. 2 2 sin ? t + 45°)
Answer» B. 2 sin (? t + 45°)
6.

Figure shows an RC potentiometer to measure ac voltage. It is desired that V 0 /V i should be independent of frequency. The value of C should be

A. 10 ?F
B. 11 ?F
C. 0.1 ?F
D. 0.09 ?F
Answer» B. 11 ?F
7.

If reference sound pressure P 0 is 2 x 10 -5 N/m 2 , a sound pressure of 90 dB is equal to

A. 0.632 N/m 2
B. 0.707 N/m 2
C. 0.835 N/m 2
D. 0.925 N/m 2
Answer» B. 0.707 N/m 2