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Please explain the graph and how to get the answer...

Please explain the graph and how to get the answer...

Question Image
Grade:12th pass

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
one year ago
Dear Student
Q1 is negative since at x=0 , electric field is towards the left and is infinity. Q2 is positive since E field is acting in negative x direction. After x=a then Electric field is in positive direction and continues to decrease. Since q1 is greater than q2 it becomes 0 at a point .

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