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Physics · 2026 · 1 mark
CBSE 2026 · Region 5 · Set 3 · Q9
The figure shows three point charges kept at the vertices of triangle ABC. The net electric field, due to this system of charges, at the midpoint M…
The figure shows three point charges kept at the vertices of triangle ABC. The net electric field, due to this system of charges, at the midpoint M of base BC will be :
Official answer
(C)
$\displaystyle \frac{\mathrm{q}}{2 \pi \varepsilon_{0} l^{2}}$ pointing along AM
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CBSE Class 12 Physics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.