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Two points like charges Q(A) and Q(B) ar...

Two points like charges `Q_(A)` and `Q_(B)` are positioned at points a and B (see figure). The electric field strength to the right of charge `Q_(B)` on the line that passes through the two charges varies according to a law that is represented schematically in Figure below accompaanying the problem without employing a definite scale. Assume electric field to be positive if its direct ion coincides with (the positive direction on the x-axis. THe distance between the charges is l.

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The correct Answer is:
`(a) rarr (p), (b) rarr (q), (c ) rarr (r ), (d) rarr (s)`
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