Two identical point charges having mag- nitude q each are placed as shown in the figure. Fig 1. Plot the variation of electric field on x-axis. 2. Where will the magnitude of electric field be maximum on x-axis? Find the maximum value of electric field on x-axis. 3. If we place a negative charge (of magnitude -q and mass m) at the mid point of charges and displaced along .x- axis, examine whether it will perform simple harmonic motion. If yes, then find the time period of oscillation of the particle.
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