NEET Physics: Electronic Devices — MCQ Test 1

Q6. The number of outer electrons in a Si crystal with \( N \) atoms is:

Q7. Which of the following is an example of a compound semiconductor?

Q8. The electric field in the depletion region of a p-n junction is directed from:

Q9. The minority carrier injection in a forward-biased diode refers to:

Q10. The electrical conductivity of a semiconductor is:

NEET Physics — Electronic Devices

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1Question 1 of 10
Medium

The reverse saturation current in a diode is:

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Electronic Devices. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Saturation, Semiconductor, Electrons, Capacitor, Rectifier, and Extrinsic.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. The reverse saturation current in a diode is:

  • A. Proportional to reverse voltage
  • B. Inversely proportional to voltage
  • C. Nearly independent of voltage
  • D. Zero

Q2. In a p-type semiconductor, the number of holes is related to electrons by:

  • A. \( n_h = n_e \)
  • B. \( n_h < n_e \)
  • C. \( n_h \gg n_e \)
  • D. \( n_h = n_e^2 \)

Q3. The purpose of a capacitor in a rectifier circuit is to:

  • A. Increase current
  • B. Smooth the output voltage
  • C. Reduce input frequency
  • D. Block DC voltage

Q4. In an extrinsic semiconductor, the overall charge neutrality is maintained because:

  • A. Charge of carriers equals that of ionized cores
  • B. No recombination occurs
  • C. Thermal generation is absent
  • D. Drift current cancels diffusion current

Q5. In a p-n junction under equilibrium, the net current is:

  • A. High
  • B. Zero
  • C. Low
  • D. Infinite

+ 5 more questions in the actual test

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