InterviewSolution
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InterviewSolution
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Variation of electrostatic potential along the x - direction is shown in (Fig. 3.142). The correct statement about electric field is .A. x - component at point `B` is maximumB. x - component at point `A` is toward positive x - axisC. x - component at point `C` is along negative x - axisD. x - component at point `C` is along positive x - axis |
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Answer» Correct Answer - d We know, `E = -(d V)/(d x)`. At `B, dV//d x = 0`, hence `E_x = 0` At `A, d V//d x` is positive, hence `E_x` is negative. At `C, d V//dx` is negative, hence `E_x` is positive. |
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