Question

Two balls carrying charges +7 uC and -5 °C attract
each other with a force F. If a charge -2 °C is added
to both, the force between them will be :-
(2) F/2
(1) F
(3) 2F

(4) zero
​

Answer 1

HEYA GM ❤

★ AFTER ADDING -2C TO BOTH PARTICLES ; THE CHARGES BECOME ; -7C AND +5C.

★ SO ; IF WE SEE Q1 • Q2 = 35 ONLY ; AND IT MATCHES PREVIOUS RESULT...

SO ; THE VALUE OF CHARGES WILL BE

SAME WITH / WITHOUT MAGNITUDE.

ANS. = OPT C. - F