Physics · 2020
JEE Main · 8 January 2020, Shift 2 · Q11
A capacitor is made of two square plates each of side 'a' making a very small angle α between them, as shown in figure. The capacitance will be close…
A capacitor is made of two square plates each of side 'a' making a very small angle $\displaystyle \alpha$ between them, as shown in figure. The capacitance will be close to :
Official answer
(2)
$\displaystyle \frac{\epsilon_0 \mathrm{a}^2}{\mathrm{~d}}\left(1-\frac{\alpha \mathrm{a}}{2 \mathrm{~d}}\right)$
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.