Two positive point charges of `12 mu C` and `8 mu C` are `10 cm` apart. The work done in bringing then `4 cm` closer is

Two positive charges of 20 mu C and 8 mu C are 20 cm apart, find the work done in bringing them 5 cm closer

Two positve charges of 12 muC and 8 muC respectively are 10 cm apart. Find the work done in bringing them 4 cm closer, so that, they are 6 cm apart.

Two positive point charges 15 muC and 10 muC are 30 cm apart. Calculate the work done in bringing them closer to each other by 15 cm.

Two point charges of 1muC each are 10cm apart. the work done in bringing them 5cm closer is_

Two chargges + 50 muc and + 20muC are 1m apart in vacuum. Find the work done in bringing them 40 cm closer?

Two positive point charges of 12 and 5 microcoulombs, are placed 10 cm apart in air. The work needed to bring them 4 cm closer is

Two positive point charges of 12 and 5 microcoulombs, are placed 10 cm apart in air. The work needed to bring them 4 cm closer is