Electric field strength on a dust particle having charge equal to 8 10 - 19 when plates are separated by distance of 2 cm and have a potential difference of 5 kV is {{}}

Electric field strength on a dust particle having charge equal to 8

1.	Electric field strength on a dust particle having charge equal to 8 10 - 19 when plates are separated by distance of 2 cm and have a potential difference of 5 kV is {{}}
A.	2.0 10 -13 N
B.	3 N
C.	5 N
D.	20 N
Answer» B. 3 N