Two Parallel Metal Plates 5

Two parallel metal plates 5.0 cm apart have a potential difference between them of 75 V. The electric force on a positive charge of 3.2 × 10^-19 C at a point midway between the plates is approximately

A) 4.8 × 10^-18 N.
B) 4.8 × 10^-16 N.
C) 2.4 × 10^-17 N..
D) 9.6 × 10^-17 N.
E) 1.6 × 10^-18 N.