Physics · 2021
JEE Main · 25 February 2021, Shift 1 · Q22
512 identical drops of mercury are charged to a potential of 2 V each. The drops are joined to form a single drop. The potential of this drop is \ \…
$\displaystyle 512$ identical drops of mercury are charged to a potential of $\displaystyle 2$ V each. The drops are joined to form a single drop. The potential of this drop is \_\_\_\_ V.
Official answer
128
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.