Since both the charges are positive, the electric field will be zero at a point on the line joining them.
Let's take the distance from q1 to be x
Thus, the distance from q2 where the electric field will be zero is d - x, where d is the separation between the two charges.
The electric field due to charge q1 is:
Electric field due to charge q2 at r = d-x is:
Point charges of 25.0 µC and 45.0 µC are placed 0.500 m apart.
(a) At what point along the line between them is the electric field zero?
(b) What is the electric field halfway between them?
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