There are two charges `+2 mu` C and `-6 mu` C at certain separation.Then the ratio of forces acting on them will be..

There are two charge +1mu c and +2muc kept at certain separartion ,the ratio of electrostatic forces acting on them will be in the ratio

There are two charges +1 muC and +5muC , separated by a distance of 0.2 m in air, the ratio of forces acting in them will be:

There are two charges +2mu C and -3mu C . The ratio of forces acting on them will be (1) 2:3 (2) 1:1 (3) 3:2 (4) 4:9

There are two charges +1 mu C and -5 mu C under mutual coulombic interaction . The ratio of magnitude of forces acting on themwill be

There are two point charges +4 mu C and -2 mu C .The ratio of magnitude of electrostatic forces acting on them respectively will be

There are two charges +1 microcoulombs and +5 microcoulombs. The ratio of the forces acting on them will be

Two charges of 10 C and - 15 C are separated in air by 1m. The ratio of force exerted by one on the other is

If two identical spheres having charge 16 mu C and -8 mu C are kept at certain distance apart , then the force if F. They are touched and again kept at the same distance , the force becomes.

Two particles P and Q have charges +1.0 mu C and -1.0 mu C and their separation is 2.0cm .The dipole moment of system is .