Author Question: A capacitor consists of two large parallel plates of area A separated by a very small distance d. ... (Read 85 times)

ishan · **on:** Jul 29, 2018

A capacitor consists of two large parallel plates of area A separated by a very small distance d. This capacitor is connected to a battery and charged until its plates carry charges +Q and -Q, and then disconnected from the battery.

If the separation between the plates is now doubled, the potential difference between the plates will A) double.
B) quadruple.
C) be cut in half.
D) be cut in fourth.
E) not change.

Question 2

A cubical box 25.0 cm on each side is immersed in a fluid. The pressure at the top surface of the box is 109.40 kPa and the pressure on the bottom surface is 112.00 kPa. What is the density of the fluid?

A) 1000 kg/m3
B) 1030 kg/m3
C) 1060 kg/m3
D) 1090 kg/m3
E) 1120 kg/m3