Question

Eight drops of mercury of equal radii combine to form a big drop. The capacitance of a bigger drop as compared to each smaller drop is

• A. 2 times
• B. 8 times
• C. 4 times
• D. 16 times

Answer 1

Answer: (A)

2 times

Answer 2

$C_{B}=n^{\frac{1}{3}} C_{S}$
$C_{B}=8^{\frac{1}{3}} C_{S}$
$C_{B}=2 C_{S}$