The sketch below is a side view of two capacitors consisting of parallel plates in air. The capacitor plates are equal in area but the plate separation differs as shown. Individual capacitors are specified with two letters, for example WX is a single capacitor. The charge on plate W is represented by QW.
(Img is http://img397.imageshack.us/img397/6074/plotkv8.png" [Broken])
E = (.5)*C*V^2
Q = C*V
C = EA/d
The Attempt at a Solution
A potential is applied between points A and B. For each of the statements below choose the proper response.
Increase If capacitor WX is eliminated from the circuit, the the energy stored in capacitor ZY will....
It will increase because the voltage drop on ZY will increase
Increase If capacitor ZY is eliminated from the circuit, the magnitude of QX will....
Increase, voltage drop will increase
Stay the Same If the plate separation for capacitor WX increases, the energy stored in capacitor ZY will ....
The capacitance of ZY doesn't change
Less Than The potential difference across capacitor WX is ______ the potential difference across capacitor ZY.
Wx has a larger distance
Equal to QX + QZ is _____ zero.
All charges in a series capacitor are the same.
Less than The energy stored in capacitor WX is ______ the energy stored in capacitor ZY.
Because there is less voltage
Equal to The electric field between plates Z and Y is ______ the electric field between plates W and X.
Electric field is proportional to charge
I know I'm wrong. What am I doing wrong?
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