Gujarati
2. Electric Potential and Capacitance
easy

$64$ drops of mercury each charged to a potential of $10\,V$. They are combined to form one bigger drop. The potential of this drop will be.......$V$ (Assume all the drops to be spherical)

A

$160$

B

$80$

C

$10$

D

$640$

Solution

(a) $V = {n^{2/3}}v = {(64)^{2/3}} \times 10 = 160\,volt$

Standard 12
Physics

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