✓ 3 MARKS
Short Answer
🔥 APPEARED IN 3 BOARD SETS
(a) What are majority and minority charge carriers of p-type and n-type semiconductors ?
(b) Explain briefly the formation of diffusion current and drift current in a p-n junction diode.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2025 | Series 55-4 | Set 1 | Question 28 |
| CBSE 2025 | Series 55-4 | Set 2 | Question 27 |
| CBSE 2025 | Series 55-4 | Set 3 | Question 22 |
02 // OFFICIAL CBSE MARKING SCHEME BREAKDOWN
- Step 1: Stating the fundamental formula / law statement (+1 Mark)
- Step 2: Intermediate mathematical substitution or proof steps (+1 Mark)
- Step 3: Correct final value or conclusion with mandatory SI units (+1 Mark)