Two point like charges Q1 and Q2 of whose strength are equal in absolute value are placed at a certain distance from each other. Assuming the field strength to be posiive in the positive direction of

Question

Two point like charges Q1 and Q2 of whose strength are equal in absolute value are placed at a certain distance from each other. Assuming the field strength to be posiive in the positive direction of x -axis the signs of the charges Q 1 and Q2 for the graphs (field strength versus distance) shown in Figures 1 , 2 , 3 and 4 are

TestHub · Accepted Answer

For a point charge, E ∝ x 2 1 ​ . For positive charges, electric field will decrease in positive direction as distance increases, (case 1 ), for negative charge, as distance increases field will increase (case 4). As we move from positive charge to negative charge, field will keep on decreasing (case 2 ), As we move from negative to positive charge, field will keep on increasing (case 3 )

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