Parallel-plate capacitor with 2.50 cm² plates and 1.00 mm separation

[omarxfa2]

need your help!

An air-filled parallel-plate capacitor has plates of area 2.50 cm2 separated by 1.00 mm. The capacitor is connected to a 3.0 V battery.
(a) Find the value of its capacitance.
-------pF

(b) What is the charge on the capacitor?
----- pC

(c) What is the magnitude of the uniform electric field between the plates?
------N/C

 

[cepheid]

What have you done so far? Show us your work and we can point you in the right direction. We aren't going to do this for you. That's not going to help you at all.

 

[omarxfa2]

i don't understand it at all!