2. Point charges of +12 x 10° C and -12 x 10 C are placed 10cm apart. (a) Compute the potential at point a, b, c. (b) What is the potential difference between points a and b? (c) Between b and c? (d) How much work would be required to move a point charge of +4 x 10° C from a to b, in the absence of friction and with no increase in kinetic energy? (e) From c to a? 10cm 10cm 4cm бст 4cm

2. Point charges of +12 x 10° C and -12 x 10 C are placed 10cm apart. (a) Compute the potential at point a, b, c. (b) What is the potential difference between points a and b? (c) Between b and c? (d) How much work would be required to move a point charge of +4 x 10° C from a to b, in the absence of friction and with no increase in kinetic energy? (e) From c to a? 10cm 10cm 4cm бст 4cm