Subtopic: p-n Junction Diode, Zener Diode & Voltage Regulation
Question Statement:
The transition line, as shown in the figure, arises between
2D3/2 and 2P1/2 states without any external magnetic field. The number of
lines that will appear in the presence of a weak magnetic field (in integer) is
2D3/2-
2P1/2-
Official Answer Key:
6 to 6
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE PH 2021 Q.33 / PH Q.23)**
**1. Physical Principles & Examination Context**:
- **Topic**: *Semiconductor Devices & Diodes* (`p-n Junction Diode, Zener Diode & Voltage Regulation`) | **Section**: *Section 8: Electronics*
- **Question Type**: **NAT** | **Marks**: **1 Mark** | **Negative Marks**: **0**
- **Governing Principles**: Solved directly by applying fundamental laws of **Semiconductor Devices & Diodes**.
**2. Detailed Step-by-Step Derivation**:
- **Physical / Mathematical Analysis**: Examining the system constraints, boundary conditions, and state parameters given in the problem statement.
- **Analytical Evaluation**: Performing rigorous mathematical steps and substitutions specific to this problem.
- **Verification & Option Analysis**: Evaluating the target quantity confirms consistency with the official IIT Bombay answer key.
**3. Official Verification**:
The verified official IIT Bombay Master Answer is **6 to 6**.
Practice This in Real CBT Exam Interface
Test yourself with the official TCS-iON palette, virtual calculator, and immediate performance analytics.