Electronic Devices

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Electronic Devices MCQ & Objective Questions

Understanding electronic devices is crucial for students preparing for school exams and competitive tests. These devices form the backbone of modern technology and are frequently featured in exam syllabi. Practicing MCQs and objective questions on electronic devices not only enhances your knowledge but also boosts your confidence, helping you score better in your exams. Dive into our collection of practice questions to master this essential topic!

What You Will Practise Here

  • Fundamentals of electronic devices and their classifications
  • Key concepts of diodes, transistors, and integrated circuits
  • Important formulas related to current, voltage, and resistance
  • Definitions of key terms like semiconductor, conductor, and insulator
  • Diagrams illustrating circuit designs and device functionalities
  • Theory on the working principles of various electronic components
  • Applications of electronic devices in real-world scenarios

Exam Relevance

The topic of electronic devices is integral to the curriculum of CBSE, State Boards, NEET, and JEE. Students can expect questions that test their understanding of basic concepts, device functionalities, and practical applications. Common question patterns include multiple-choice questions that assess both theoretical knowledge and problem-solving skills, making it essential to be well-prepared with important electronic devices questions for exams.

Common Mistakes Students Make

  • Confusing the functions of different types of diodes and transistors
  • Misunderstanding the relationship between voltage, current, and resistance
  • Overlooking the significance of circuit diagrams in problem-solving
  • Failing to apply theoretical concepts to practical scenarios

FAQs

Question: What are the most important electronic devices to study for exams?
Answer: Focus on diodes, transistors, and operational amplifiers, as they are frequently tested in various exams.

Question: How can I improve my understanding of electronic devices?
Answer: Regular practice with MCQs and objective questions will help reinforce your concepts and improve retention.

Don't wait! Start solving our Electronic Devices MCQ questions today and test your understanding. With consistent practice, you can master this topic and excel in your exams!

Q. What type of rectifier allows current to flow in both directions?
  • A. Half-wave rectifier
  • B. Full-wave rectifier
  • C. Bridge rectifier
  • D. None of the above
Q. What type of rectifier uses a single diode?
  • A. Full-wave rectifier
  • B. Half-wave rectifier
  • C. Bridge rectifier
  • D. Voltage doubler
Q. What type of transistor is a BJT?
  • A. Unipolar
  • B. Bipolar
  • C. Field-effect
  • D. Insulated-gate
Q. Which application commonly uses an operational amplifier?
  • A. Voltage follower
  • B. Diode rectifier
  • C. Transistor switch
  • D. Inductor filter
Q. Which application is NOT typically associated with operational amplifiers?
  • A. Signal conditioning
  • B. Voltage regulation
  • C. Audio amplification
  • D. Digital logic operations
Q. Which configuration of an OP-AMP is commonly used for modulation?
  • A. Inverting amplifier
  • B. Non-inverting amplifier
  • C. Differential amplifier
  • D. Voltage follower
Q. Which configuration of an operational amplifier provides a phase shift of 180 degrees?
  • A. Inverting amplifier
  • B. Non-inverting amplifier
  • C. Voltage follower
  • D. Differential amplifier
Q. Which of the following configurations can be used to create a differential amplifier?
  • A. Inverting and non-inverting amplifiers
  • B. Only inverting amplifiers
  • C. Only non-inverting amplifiers
  • D. Voltage followers
Q. Which of the following configurations can be used to create a summing amplifier?
  • A. Inverting amplifier
  • B. Non-inverting amplifier
  • C. Voltage follower
  • D. Differential amplifier
Q. Which of the following is a characteristic of a FET?
  • A. Current-controlled device
  • B. Voltage-controlled device
  • C. Requires biasing for operation
  • D. Has a high input current
Q. Which of the following is a characteristic of a JFET?
  • A. It is voltage-controlled
  • B. It is current-controlled
  • C. It has a gate current
  • D. It operates in the saturation region only
Q. Which of the following is a characteristic of a MOSFET?
  • A. Requires a continuous current to operate
  • B. Has a gate that is insulated from the channel
  • C. Is always on when powered
  • D. Has low input impedance
Q. Which of the following is a characteristic of MOSFETs?
  • A. They are current-controlled devices
  • B. They have high input impedance
  • C. They require a biasing current
  • D. They are less sensitive to temperature changes
Q. Which terminal of an operational amplifier is typically used as the inverting input?
  • A. Non-inverting terminal
  • B. Inverting terminal
  • C. Output terminal
  • D. Power supply terminal
Q. Which type of diode is specifically designed for voltage regulation?
  • A. Zener diode
  • B. Schottky diode
  • C. Light Emitting Diode (LED)
  • D. Rectifier diode
Q. Which type of diode is used for voltage regulation?
  • A. Zener diode
  • B. Schottky diode
  • C. Light-emitting diode
  • D. Photodiode
Q. Which type of FET is controlled by voltage applied to the gate?
  • A. Junction FET (JFET)
  • B. Metal-Oxide-Semiconductor FET (MOSFET)
  • C. Insulated Gate Bipolar Transistor (IGBT)
  • D. Bipolar Junction Transistor (BJT)
Q. Which type of FET is known for its high input impedance?
  • A. JFET
  • B. MOSFET
  • C. BJT
  • D. IGBT
Q. Which type of modulation is most commonly used in analog communication systems?
  • A. Amplitude Modulation (AM)
  • B. Frequency Modulation (FM)
  • C. Phase Modulation (PM)
  • D. Pulse Width Modulation (PWM)
Q. Which type of modulation is most commonly used in digital communication systems?
  • A. Amplitude Modulation (AM)
  • B. Frequency Modulation (FM)
  • C. Phase Shift Keying (PSK)
  • D. Pulse Width Modulation (PWM)
Q. Which type of transistor is a BJT?
  • A. Unipolar
  • B. Bipolar
  • C. Field-effect
  • D. Insulated-gate
Q. Which type of transistor is commonly used for switching applications?
  • A. BJT
  • B. FET
  • C. MOSFET
  • D. All of the above
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