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 V in Volt.

Question

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 V in Volt.,

MARKS App · Accepted Answer

Q = 512 q Volume i = Volume f 512 × 4 3 π r 3 = 4 3 π R 3 2 9 r 3 = R 3 R = 8 r 2 = k q r V = k Q R = k 512 q 8 r V = 128 V .

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