2.72 N
Explanation:
Step 1:
From the basic formula in electrostatics
F = E * q
where F = Force due to charges
E = Electric field strength
q = Charge
Step 2:
From the given question
q= [tex]8.5*10^{-6} C[/tex]
E = [tex]3.2 * 10^{5} N/C[/tex]
F = [tex]8.5 * 10^{-6} * 3.2 * 10^{5} = 2.72[/tex] N
