✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
When the forward bias voltage in a semiconductor diode is changed from $0\cdot8\text{ V}$ to $1\cdot0\text{ V}$, the forward current changes by $2\cdot0\text{ mA}$. The forward bias resistance of the diode will be :
A
$200\text{ }\Omega$
B
$175\text{ }\Omega$
C
$100\text{ }\Omega$
D
$125\text{ }\Omega$
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 55-3 | Set 1 | Question 11 |
| CBSE 2026 | Series 55-3 | Set 2 | Question 9 |
| CBSE 2026 | Series 55-3 | Set 3 | Question 3 |
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)