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Friday, 9 October

JEE Main 2024 · PhysicsMultiple choiceDiagram basedMediumMulti-step

JEE Main 30 January 2024, Shift 2, Physics Q49

Question 49 of 90 in this shift, Physics question 19 of 30, Section A.

In the given circuit, the voltage across load resistance (RLR_L) is:

The figure, in words

Series circuit: 15 V battery, diode D1 (Ge), diode D2 (Si), a 1.5 kΩ resistor, and load R_L = 2.5 kΩ.
  1. (1)8.50 V8.50\ V
  2. (2)8.75 V8.75\ VOfficial answer
  3. (3)9.00 V9.00\ V
  4. (4)14.00 V14.00\ V

Official answer

Option 2

NTA final key.

Chapter
Semiconductor Electronics: Materials, Devices and Simple Circuits
Topic
Semiconductor Diodes
Idea tested
Piecewise Linear Diode Model

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.