Question

A classmate took the following equipotential data with the numbers of the side of the graph indicating the Voltage at those points. a) Draw the electric field lines corresponding to the equipotential lines shown below. b) Find the magnitude of the field at each of the points A, B, and C. (You can cut and paste this into your notebook) 0.5 -0.5 -1 -1 1

Answer 1

Lines always point in the direction of the electric field at a given point. This direction is represented by an arrow

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Lines always point in the direction of the electric field at a given point. This direction is represented by an arrow. Equipotential lines are always at right angles with the electric field. F_electric rightarrow perpendicular dr rightarrow and hence F_electric rightarrow . dr rightarrow = 0 and w = integral F rightarrow_ . dr rightarrow coordinates of A B Electric field at A, B, C or E_A, E_B, E_c magnitude of electric field depends upon distance from the source (charge) distance of A > distance of B > distance C Elecetic field proportionalto (distance)^2 rightdoublearrow Vertical-bar E_A rightarrow Vertical-bar < Vertical-bar E_B rightarrow Vertical-bar < Vertical-bar E_C rightarrow Vertical-bar Answer