Question

1) Halving the distance (i.s., decreasing by a factor of two) between two charged objects will cause the electrical force between them to be ___ the initial force

Answer 1

Step-by-step explanation:

For an electric force, F the formula:

F = kQq/r^2

Given:

r2 = 1/2 × r1

F1 × r1 = k

F1 × r1 = F2 × r2

F2 = (F1 × r1^2)/(0.5 × r1)^2

= (F1 × r1^2)/0.25r1^2

= 4 × F1.