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Physics · 2026 · 1 mark
CBSE 2026 · Region 5 · Set 2 · Q6
Two point charges - Q and Q are located at points (d, 0) and (0, d) respectively, in x-y plane. The electric field E at the origin will be:
Two point charges - Q and Q are located at points (d, $\displaystyle 0$) and ($\displaystyle 0$, d) respectively, in x-y plane. The electric field $\displaystyle \overrightarrow{\mathrm{E}}$ at the origin will be :
Official answer
(C)
$\displaystyle \frac{1}{4 \pi \varepsilon_{0}} \frac{\mathrm{Q}}{\mathrm{d}^{2}}(\hat{\mathrm{i}}-\hat{\mathrm{j}})$
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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.