A capacitor containing two flat, parallel plates separated by a vacuum is connected to a battery with voltage V. Then, its plates are pulled apart to a distance double the original one. By what factor does the energy density between the plates change?
This is how I worked it out
C=EoA/d, when d doubles, C is halved
U=1/2CV^2, when C is halved, Energy is halved.
Apparently this is wrong. Energy is not halved. The answer they gave was Energy changed by 1/4.(highlite...
Kaplan FL5 P/C Capacitor Question
This is how I worked it out
C=EoA/d, when d doubles, C is halved
U=1/2CV^2, when C is halved, Energy is halved.
Apparently this is wrong. Energy is not halved. The answer they gave was Energy changed by 1/4.(highlite...
Kaplan FL5 P/C Capacitor Question