A uniform electric field has magnitude E and isdirected in the negative x -direc

Question

A uniform electric field has magnitude E and isdirected in the negative x-direction. The potentialdifference between point a (at x =0.58 m) and point b(at x = 0.92 m)is 280 V. (b) Calculate the value of E.
2 V/m

(c) A negative point charge q = -0.160 µC is moved from b toa. Calculate the work done on the point charge by theelectric field.
3 J
A uniform electric field has magnitude E and isdirected in the negative x-direction. The potentialdifference between point a (at x =0.58 m) and point b(at x = 0.92 m)is 280 V. (b) Calculate the value of E.
2 V/m

(c) A negative point charge q = -0.160 µC is moved from b toa. Calculate the work done on the point charge by theelectric field.
3 J

Explanation / Answer

Displacement S = 0.92 m-0.58 m = 0.34 m

Voltage V = 280 V

Electric field E = V / S

                         = 823.52 V / m

Charge q = -0.16*10^-6C

Work done W = Vq

                       = 131.76 * 10 ^ -6 J

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