Answer:
8.75×10⁻⁴ N. due east
Explanation:
Electric Field: This is defined as the force per unit charge which it exerts at that point. Its direction is the force exerted on a positive charge. The S.I unit of electric field is N/C.
The expression for electric field is given as,
E = F/q
where E = Electric field, F = Force, q = charge.
Making F the subject of the equation,
F = E×q.................... Equation 1
Given: E = 250 N/C, q = 3.5 µC = 3.5×10⁻⁶ C.
Substitute into equation 1
F = 250×3.5×10⁻⁶
F = 875×10⁻⁶
F = 8.75×10⁻⁴ N. due east
Hence the force is 8.75×10⁻⁴ N. due east