A particle of charge 3.85\times 10^{-8}~\text{C}3.85×10−8 C experiences a force of magnitude 7.65\times 10^{-6}~\text{N}7.65×10−6 N when it is placed in a particular point in an electric field. What is the magnitude of the electric field at that point?
given
A particle of charge is
q = 3.85 x 10−8 C
a force of magnitude is
F = 7.65 x 10−6 N
the magnitude of the electric field at that point is E = ?
using equation for force is F = q E
E = F / q
= 7.65 x 10−6 N / 3.85 x 10−8 C
E = 198.7012 N/C
so the magnitude of the electric field at that point is E = 198.7012 N/C
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