Verified Solution • 2025–26 Session moderate

QPages 417-418: Q15: HC Verma: Concepts of Physics - Volume 2 Semiconductors and Semiconductor Devices Pages 417-418: Q15 Solution: An incomplete sentence about transistors is given below: The…

⚠️ Common Exam Traps & Conceptual Pitfalls

Students often confuse the specific junction pairings required for active mode operation, mistakenly assuming the collector-base junction is forward-biased or misidentifying the emitter-base pair. Remember that for a transistor to function as an amplifier, the emitter-base junction must be forward-biased while the collector-base junction must be reverse-biased.

An incomplete sentence about transistors is given below: The emitter_..... junction is __ and the collector_..... junction is ___. The appropriate words for the dotted empty positions are, respectively,

Multiple Choice Options

  • A 'collector' and 'base'
  • B 'base' and 'emitter'
  • C 'collector' and 'emitter'
  • D 'base' and 'base'.

Step-by-Step Verified Solution

**Answer:** (b) 'base' and 'emitter'. **Step-by-Step Explanation:** The emitter-base junction is forward-biased and the collector-base junction is reverse-biased.

All Questions in this Chapter

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