Fg= m*g Fe=k* q1q2/r^2 k=9*10^9 k=1/4?ErEo E-nat E=Fe/q E=k* Q/r^2 E=u/d E=(Va-Vb)/?l D=q/s W zew=-kQq(1/ra – 1/rb) W=q(Va-Vb) W=Uq/2 W=qU Epot=kQq/r V=Epot/q=k* Q/r C=q/v u~q C=q/u c=Eo*Er*s/ d å -en. nalad. kond å =u*q/2 å =q^2/2C å = Eq/2 * d å =CU^2/2

Szereg q=q1=q2=q3 u1¹ u2¹ u3 u=u1+u2+u3 1/c=1/c1+1/c2+1/c3 Równo qc=q1+q2+q3 u1=u2=u3 C=c1+c2+c3