defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Electric Charges and Coulomb's Law Forces between Multiple Charges
Two charges +2q and -6q are placed at a distance r from each other. Another charge Q is placed at the midpoint between the two charges such that the resultant force on the charge -6q is zero, then the charge Q will be equal to:
1
q/2
2
-q/2
3
q
4
-q