✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
A conducting wire connects two charged metallic spheres A and B of radii $r_1$ and $r_2$ respectively. The distance between the spheres is very large compared to their radii. The ratio of electric fields, $(E_A/E_B)$ at the surfaces of spheres A and B will be
A
$\frac{r_1}{r_2}$
B
$\frac{r_2}{r_1}$
C
$\frac{{r_1}^2}{{r_2}^2}$
D
$\frac{{r_2}^2}{{r_1}^2}$
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 55-1 | Set 1 | Question 2 |
| CBSE 2026 | Series 55-1 | Set 2 | Question 8 |
| CBSE 2026 | Series 55-1 | Set 3 | Question 4 |
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)