Question

Two charges of magnitude 10 and 20 units how to find?

Answer 1

Answer:

Charge is conserved so

Q1+Q2=Q3+Q4

Q1 and Q2 are initial charges and Q3 and Q4 are charges after connecting them

Q3=Q4=Q ( they are identical )

So Q=

2

10+20

Q=15C

Ratio of forces =K(10)(20):K(15)(15)

8:9