Question

Asked Jan 29, 2019

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Two charges lie in a line along the x axis. Charge 1 is q1= 0.75C and charge 2 is q2= 2.35 C. They are each a distance of d=0.025m from the origin. What is the distance on the x- axis from the origin at which the electric field will be zero. Give answer in meters.

Step 1

The net electric field of the charges *q*_{1} and *q*_{2} is zero. Let the distance between the origin and the point where the electric field is zero be *r*. The electric fields will have opposite signs because they correspond to different sides of the point where is there is no electric field. Therefore,

Step 2

Re-arranging the equation and substituting the values,

Step 3

Solving the above quadratic equation and neglecting the va...

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