Question

Two similar charges
are observed to repel each other with a force of 4.5 kg nt where placed 3 cm apart in air. calculate the strength of charge.
​

Answer 1

Answer:

Given force =9.8 N

Since q

1

=q

2

as per question.

From coulomb's law

F==

r

2

kq

1

q

2

=

r

2

kq

1

2

q

1

2

=

k

Fr

2

=1.08×10

−9

q

1

=

1.08×10

−9

C