JAMB - Physics (1992 - No. 29)
Calculate the force acting on an electron of charge 1.6 x 10-19C placed in an electric field of intensity 108Vm-1
1.6 x 10-11N
1.6 x 10-14N
1.6 x 10-16N
1.0 x 10-16N
解释
F = EQ
1.6 x 10-19 x 108
= 1.6 x 10-11N
1.6 x 10-19 x 108
= 1.6 x 10-11N