✓ 2 MARKS
Very Short Answer
🔥 APPEARED IN 3 BOARD SETS
Two identical circular coils A and B of radius $10\text{ cm}$ each are placed concentrically and mutually perpendicular in $\text{XY}$ and $\text{YZ}$ planes respectively. Currents of $1\text{ A}$ and $\sqrt{3}\text{ A}$ flow anticlockwise in the coils as seen from $\text{YZ}$ plane. Find the magnitude of the net magnetic field at the common centre of the coils.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 55-7 | Set 1 | Question 19 |
| CBSE 2026 | Series 55-7 | Set 2 | Question 21 |
| CBSE 2026 | Series 55-7 | Set 3 | Question 18 |
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)