Electronics

Download Q&A

Electronics MCQ & Objective Questions

Electronics is a crucial subject for students preparing for school exams and competitive tests in India. Mastering this topic not only enhances your understanding of fundamental concepts but also boosts your confidence in tackling objective questions. Practicing MCQs and important questions in Electronics helps you identify your strengths and weaknesses, ensuring effective exam preparation.

What You Will Practise Here

  • Basic concepts of current, voltage, and resistance
  • Understanding of Ohm's Law and its applications
  • Key components such as resistors, capacitors, and transistors
  • Fundamentals of circuit diagrams and analysis
  • Principles of alternating current (AC) and direct current (DC)
  • Signal processing and its applications in real-world scenarios
  • Important formulas related to power, energy, and circuit calculations

Exam Relevance

Electronics is a significant topic in various examinations, including CBSE, State Boards, NEET, and JEE. Students can expect questions that assess their understanding of basic concepts, circuit analysis, and application of theories. Common question patterns include multiple-choice questions that test both theoretical knowledge and practical application, making it essential to practice thoroughly.

Common Mistakes Students Make

  • Confusing the concepts of AC and DC, leading to incorrect answers.
  • Overlooking the significance of units in calculations, resulting in errors.
  • Misinterpreting circuit diagrams, which can lead to faulty analysis.
  • Neglecting to apply Ohm's Law correctly in problem-solving.

FAQs

Question: What are the key topics to focus on in Electronics for exams?
Answer: Focus on circuit analysis, basic components, Ohm's Law, and signal processing.

Question: How can I improve my performance in Electronics MCQs?
Answer: Regular practice of MCQs and understanding the underlying concepts will significantly enhance your performance.

Don't wait any longer! Dive into our Electronics MCQs and practice questions to solidify your understanding and excel in your exams. Your success starts with the right preparation!

Q. Which of the following is a characteristic of a BJT?
  • A. Voltage-controlled device
  • B. Current-controlled device
  • C. Power-controlled device
  • D. Frequency-controlled device
Q. Which of the following is a characteristic of a Schottky diode?
  • A. High forward voltage drop
  • B. Fast switching speed
  • C. High reverse breakdown voltage
  • D. Low current handling capability
Q. Which of the following is a characteristic of a transducer?
  • A. It can only convert electrical energy to mechanical energy
  • B. It can convert one form of energy to another
  • C. It is always a passive device
  • D. It cannot be used in feedback systems
Q. Which of the following is a characteristic of an ideal op-amp?
  • A. Infinite bandwidth
  • B. Finite input impedance
  • C. Non-infinite gain
  • D. Limited output voltage swing
Q. Which of the following is a characteristic of an N-channel MOSFET?
  • A. It conducts when a positive voltage is applied to the gate
  • B. It conducts when a negative voltage is applied to the gate
  • C. It has a higher on-resistance than P-channel MOSFETs
  • D. It is always off regardless of gate voltage
Q. Which of the following is a characteristic of depletion-mode FETs?
  • A. They are normally off
  • B. They are normally on
  • C. They require a positive gate voltage to turn off
  • D. They have a negative temperature coefficient
Q. Which of the following is a characteristic of Direct Current (DC)?
  • A. Voltage can vary over time
  • B. Current can reverse direction
  • C. Current flows in one direction
  • D. Frequency is always constant
Q. Which of the following is a characteristic of Direct Current?
  • A. It can be easily transformed
  • B. It flows in both directions
  • C. It has a constant polarity
  • D. It is used in power generation
Q. Which of the following is a characteristic of enhancement-mode MOSFETs?
  • A. Conducts with zero gate voltage
  • B. Requires a positive gate voltage to conduct
  • C. Always conducts regardless of gate voltage
  • D. Has a negative threshold voltage
Q. Which of the following is a common application of capacitors in AC circuits?
  • A. Filtering
  • B. Amplification
  • C. Rectification
  • D. Switching
Q. Which of the following is a common application of capacitors in circuits?
  • A. Signal filtering
  • B. Current amplification
  • C. Voltage regulation
  • D. Power generation
Q. Which of the following is a common application of capacitors in power supply circuits?
  • A. Voltage regulation
  • B. Signal amplification
  • C. Energy storage
  • D. Phase shifting
Q. Which of the following is a common application of op-amps?
  • A. Voltage regulation
  • B. Signal modulation
  • C. Data storage
  • D. Power amplification
Q. Which of the following is a common application of operational amplifiers?
  • A. Rectification
  • B. Signal amplification
  • C. Voltage regulation
  • D. All of the above
Q. Which of the following is a key characteristic of inductors?
  • A. They have a high resistance to AC signals
  • B. They oppose changes in current
  • C. They can only be used in DC circuits
  • D. They have no effect on frequency
Q. Which of the following is a key feature of MOSFETs?
  • A. They require a continuous current to operate
  • B. They have a gate that is insulated from the channel
  • C. They are always in saturation
  • D. They have low input impedance
Q. Which of the following is a key feature of static RAM (SRAM)?
  • A. It is slower than DRAM
  • B. It is volatile
  • C. It requires more transistors per bit
  • D. It is less expensive than DRAM
Q. Which of the following is a small-signal model for a BJT?
  • A. Hybrid-pi model
  • B. T-model
  • C. Both Hybrid-pi and T-model
  • D. None of the above
Q. Which of the following is a type of Programmable Logic Device?
  • A. BJT
  • B. FET
  • C. FPGA
  • D. Diode
Q. Which of the following is a valid binary number?
  • A. 102
  • B. 1101
  • C. ABC
  • D. 1.01
Q. Which of the following is NOT a characteristic of PLDs?
  • A. Reprogrammable
  • B. High integration density
  • C. Fixed functionality
  • D. Customizable logic
Q. Which of the following is NOT a type of FET?
  • A. JFET
  • B. MOSFET
  • C. BJT
  • D. IGBT
Q. Which of the following is NOT a type of transducer?
  • A. Thermocouple
  • B. Photodiode
  • C. Resistor
  • D. Piezoelectric sensor
Q. Which of the following materials is a common semiconductor?
  • A. Copper
  • B. Silicon
  • C. Aluminum
  • D. Gold
Q. Which of the following PLDs is known for its ability to handle complex logic functions?
  • A. PAL
  • B. PLA
  • C. FPGA
  • D. CPLD
Q. Which property of semiconductors allows them to be used in memory devices?
  • A. High thermal conductivity
  • B. Variable conductivity
  • C. Low melting point
  • D. High density
Q. Which region of a BJT is reverse-biased in the active mode?
  • A. Emitter-Base
  • B. Collector-Base
  • C. Emitter-Collector
  • D. Base-Collector
Q. Which timer IC is commonly used for generating precise time delays?
  • A. 555 Timer
  • B. LM317
  • C. LM358
  • D. CD4017
Q. Which type of capacitor is known for having a high capacitance value in a small package?
  • A. Ceramic capacitor
  • B. Electrolytic capacitor
  • C. Tantalum capacitor
  • D. Film capacitor
Q. Which type of current is more suitable for electronic circuits?
  • A. Alternating Current (AC)
  • B. Direct Current (DC)
  • C. Both AC and DC
  • D. Neither AC nor DC
Showing 391 to 420 of 432 (15 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely