Physics · 2013
JEE Main · 22 April 2013, Shift 1 · Q16
A point charge of magnitude +1 μ C is fixed at (0, 0, 0). An isolated uncharged spherical conductor, is fixed with its center at (4, 0, 0). The…
A point charge of magnitude $\displaystyle +1 \mu \mathrm{C}$ is fixed at ($\displaystyle 0$, $\displaystyle 0$, $\displaystyle 0$). An isolated uncharged spherical conductor, is fixed with its center at ($\displaystyle 4$, $\displaystyle 0$, $\displaystyle 0$). The potential and the induced electric field at the centre of the sphere is :
Official answer
(3)
$\displaystyle 2.25 \times 10^5 \mathrm{~V} \text { and }-5.625 \times 10^6 \mathrm{~V} / \mathrm{m}$
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JEE Main 2013 Physics question, with the answer from NTA’s final answer key. Where our answers come from.