A capacitor has two parallel plates separated by 2 mm and is connected across a 50 V battery.

I. What is the electric filed between the plates?
ii. What is the surface charge density?
iii. How much charge is stored on each plate?
iv. Caclulate the capacitance.
v. How much energy is stored in this capacitor?
vi. What is the energy density of the electric field in the capacitor?

2 answers

Isn't there simple formulas which solve these?
Help me please