Next imagine that a small
charge d Q¢ is transferred from conductor 2 to 1 Work
done in this step (d W), resulting in charge Q¢ on
conductor 1 increasing to Q¢+ d Q¢, is given by
Q
W
V
Q
Q
C
δ
δ
′δ
=
=
′
′
′
(2 68)
Integrating eq (2