Hello

Asked by jain.pradeep | 28th May, 2019, 09:00: PM

Expert Answer:

We know that,
V = 9 V 
d = 0.02 m 
q =  1 x 10-6 
Electric field,
 
E = V/d  = 9/ 0.02 = 450 V/m 
 
Thus force exerted,
F = E x q = 450 x 10-6 = 4.5 x 10-4 N 
Thus, correct option is D. 
 
 

Answered by Shiwani Sawant | 29th May, 2019, 04:24: PM