Analog Electronics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Analog Electronics, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Analog Electronics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Analog Electronics mcq questions that explore various aspects of Analog Electronics problems. Each MCQ is crafted to challenge your understanding of Analog Electronics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Analog Electronics MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Analog Electronics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Analog Electronics knowledge to the test? Let's get started with our carefully curated MCQs!

Analog Electronics MCQs | Page 13 of 103

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Q121.
In a transistor E mode the collector current with the transistor in cut off region is
Discuss
Answer: (a).zero
Q122.
Two CE stages, 1 and 2 are coupled through a capacitor. VCC is the same for both. Base resistances RB1 and RB2 are such that RB1 > RB2. Then
Discuss
Answer: (c).base current of stage 2 is more than that of stage 1
Q123.
In a two stage CE amplifier circuit, the ac collector resistance of the first stage depends on
Discuss
Answer: (c).input impedance of second stage
Q124.
In a CE amplifier the ac cut off voltage is 9 V and slope of ac load line is - 0.5 mA/V. The ac saturation current is
Discuss
Answer: (b).4.5 mA
Q125.
A differential amplifier consists of two CB amplifiers.
Discuss
Answer: (b).False
Q126.
A power transistor dissipates 5 W. If ambient temperature is 30° and case to air thermal resistance is 10° C/W, the case temperature is
Discuss
Answer: (a).80°C
Q127.
An R-C coupled amplifier has mid-frequency gain of 200 and a frequency response from 100 Hz to 20 kHz. A negative feedback network with ฮฒ = 0.2 is incorporated into the amplifier circuit, the Bandwidth will be
Discuss
Answer: (c).100 kHz
Q128.
A full wave rectifier circuit using centre tapped transformer and a bridge rectifier are fed at 100 V, 50 Hz. The frequencies of outputs in these two rectifiers are
Discuss
Answer: (a).100 Hz each
Q129.
When the ac base voltage in a CE amplifier circuit is too high, the ac emitter current is
Discuss
Answer: (d).distorted
Q130.
When load is coupled to class A amplifier through transformer, efficiency decreases.
Discuss
Answer: (b).False