✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
A galvanometer of resistance $27\text{ }\Omega$ is converted into an ammeter of range $(0 - 10\text{ mA})$ using a resistance of $3\text{ }\Omega$. The galvanometer will show full scale deflection for a current of about -
A
$10\text{ mA}$
B
$100\text{ mA}$
C
$1\text{ mA}$
D
$3\text{ mA}$
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 55-2 | Set 1 | Question 7 |
| CBSE 2026 | Series 55-2 | Set 2 | Question 10 |
| CBSE 2026 | Series 55-2 | 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)