Electronic Devices and Circuits MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Electronic Devices and Circuits, 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 Electronic Devices and Circuits 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 Electronic Devices and Circuits mcq questions that explore various aspects of Electronic Devices and Circuits problems. Each MCQ is crafted to challenge your understanding of Electronic Devices and Circuits 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 Electronic Devices and Circuits 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 Electronic Devices and Circuits. 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 Electronic Devices and Circuits knowledge to the test? Let's get started with our carefully curated MCQs!

Electronic Devices and Circuits MCQs | Page 77 of 82

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Q761.
In a photo transistor the photocurrent is
Discuss
Answer: (b).collector base junction
Q762.
In photoelectric emission the maximum kinetic energy of emitted electron is proportional to
Discuss
Answer: (b).f
Q763.
Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resulting electric field inside the speciment will be in
Discuss
Answer: (a).direction normal to both current and magnetic field
Discuss
Answer: (c).emitter is positive with respect to base and base is positive with respect to collector
Q765.
Consider the following statements.

1. Etching
2. Exposure to UV radiation
3. Stripping
4. Developing

After a wafer has been coated with photo resist the correct sequence of these steps in photolithography is
Discuss
Answer: (c).4, 2, 1, 3
Q766.
If both the emitter base and the collector base junctions of a bipolar transistor are forward biased, the transistor is in the
Discuss
Answer: (b).saturated region
Q767.
In a triode the potential of grid (with respect to cathode) is usually
Discuss
Answer: (b).negative
Discuss
Answer: (a).reverse biased
Discuss
Answer: (c).an ohmic region at low voltage value and a saturation region at high voltage
Discuss
Answer: (b).half cycle of the input signal