Calculate the electrostatic force of repulsion between two mica partic – McqOptions

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1.	Calculate the electrostatic force of repulsion between two mica particles at a distance of 10-13 m from each other. Charge on a particle is 3.2 x 10-19 C. (relative permittivity for mica is 5)
A.	1.843 x 10-15 N
B.	9.2 x 10-2 N
C.	14.41 x 10-9 N
D.	none of these
Answer» E.

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