WAEC - Physics (1993 - No. 38)
A point charge of 1.0 x 10-7 C experiences force of 0.01 N in a uniform electric field. Calculate the magnitude of the strength of the field
106 Vm-1
105 Vm-1
10-5 Vm-1
102 Vm-1
109 Vm-1
解释
F = qE
E =
Fq
= 0.011.0 x 10-7
= 105Vm-1