Question

Q7 Two-point charges of 6uC and
9uC separated by 10 cm repel
each other with some force F. If
a charge of - 4uC is added with
each of them, then the force
between them is 20 N. Calculate
the initial force exists between
them before adding the charge.
Ops: A.
70 N
50 N
90 N
D.
20 N
Mark for review​

Answer 1

Answer:

50N ans mark as brilant answer