Question

PROBLEMS
1) What is the force between two small charged spheres having charges of 2 x 10 C
and 3 x 10°C placed 30 cm apart in air? (Ans: F=6x10°N)
2) ​

Answer 1

Explanation:

F = K Q1 ×Q2 / r^2

r = 30/100 = 0.3 m

Q1 & Q2- given

K- 9.0 x 10^9

by putting values you will get answer