#2. Electric Potential Energy of a 4-charge system

a) Evaluate the total Energy of Assembly when only the 2μC, 3μC and 4μC charges

were in place.

U3 = Ke (9293 +9224 +45 44

+9394}

5.0 με

b) Write the total Energy of Assembly of the 4-charge 1.0 cm

system and evaluate it.

2.0 με

1.0 cm

4.0 με

3.0 μс