Two changes +q and -q are attached to the two end of a light rod of length L, as shown in figure . The system is given a velocity v perpendicular to magnetic force on the system of charges and magnitude of force on one charges by the rod , are respectively .

Two charge +q and - q are attached to the two ends of a light rod of length L, as shown in figure. The system is given a velocity v perpendicular to magnetic field vecB . The magnetic force on the system of charges and magnitude of force on one charge by the rod, are respcetively.

Electric charges -q -q -q and 3q are placed at the corners of a square ABCD of length 1 as shown in figure.The magnitude of electric dipole moment of the system is

Two particles , each of mass m and charge q , are attached to the two ends of a light rigid rod of length 2 R . The rod is rotated at constant angular speed about a perpendicular axis passing through its centre. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the centre of the rod is

Two particles each of mass m and charge q are attached to the two ends of a light rigid rod of length 2R. The rod is rotated at constant angular speed about a perpendicular axis passing through its centre. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the centre of the rod is

Two particles , each of mass m and charge q , are attached to the two ends of a light rigid rod of length 2 R . The rod is rotated at constant angular speed about a perpendicular axis passing through its centre. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the centre of the rod is

Two particles , each of mass m and charge q, are attached to the two ends of a light rigid rod of length 2 R . The rod is rotated at constant angular speed about a perpendicular axis passing through its centre. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the centre of the rod

Two particles , each of mass m and charge q , are attached to the two ends of a light rigid rod of length 2 R . The rod is rotated at constant angular speed about a perpendicular axis passing through its centre. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the centre of the rod is