Two equal unlike charges placed 3cm apart in air attract each other with a force of 40N . The magnitude of each charge in micro columb is :-
Answers
Answered by
3
F =k Q q/ r^2
40= k q^2/(0.03)^2
40= 9×10^9 q^2/(0.03)^2
after solving
we get q=2×10^-5
please mark me brain mark list
Answered by
2
Answer:
F =kQq/r^2
40= k q^2/(0.03)^2
40= 9x10^9 q^2/(0.03)^2
after solving
we get q=2×10^-5
please mark me brain mark list
Similar questions