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 35 of 103

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Q341.
A CE amplifier has re = 6 ฮฉ, ฮฒ = 100 and a = 0.98. The input impedance is
Discuss
Answer: (c).600 ฮฉ
Q342.
A full wave diode rectifier using centre tapped transformer has diodes with forward resistance of 50 ohms each. The load resistance of 50 ohms each. The load resistance is also 50 ohms. The voltage regulation is
Discuss
Answer: (c).100%
Q343.
Leakage current approximately doubles for every 10°C increase in the temperature of a transistor has ICBO = 400 nA at 25°C, then its leakage current at 80°C
Discuss
Answer: (b).18 ฮผA
Q344.
A CB amplifier has IE = 3.5 mA, a = 0.98 and RL = 600 ฮฉ. The input impedance
Discuss
Answer: (c).0.025/3.5 x 10¯³ ฮฉ
Q345.
An amplifier has open loop gain of 100, input impedance 1 kฮฉ and output impedance 100 ฮฉ. If negative feedback with ฮฒ = 0.99 is used, the new input and output impedances are
Discuss
Answer: (c).100 kฮฉ and 1 ฮฉ
Q346.
In a BJT amplifier the power gain from base to collector is 4000. The power gain in dB is
Discuss
Answer: (b).36
Q347.
In a CE amplifier circuit the dc voltage between emitter and ground
Discuss
Answer: (b).cannot be zero
Discuss
Answer: (d).low output impedance and high input impedance
Q349.
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48 dB and 2 dB respectively, then its common mode rejection ratio is
Discuss
Answer: (c).46 dB
Q350.
An npn transistor has a Beta cutoff frequency fฮฒ of 1 MHz, and a common emitter short circuit low frequency current gain ฮฒ0 of 200. It unity gain frequency fT and the alpha cut off frequency fa2 respectively are
Discuss
Answer: (a).200 MHz, 201 MHz