Question

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Present all of your = work as clearly and neatly as possible.. Please draw a box around your final answer. If you consistently and correctly show all units throughout a problem, you will get one bonus point tor that problem. If your significant figures are correct throughout a problem, you will get an additional bonus point. A neutral, solid, conducting sphere is near a very large (infinite), insulating plate. The plate has positive charge uniformly distributed over its surface. Five points A - E are indicated. Point C is halfway between the plate and the surface of the sphere. Points A and E are the same distance from the sphere as Point C Draw an arrow pointing in the direction of the electric field at each point. Rank the magnitude of the electric field at each point, greatest first. Briefly explain your reasoning Rank the electric potential at each point, greatest first. Briefly explain your reasoning.

Answer 1

a) At all point the field is towards left. The red lines indicate the field direction at that point is towards left.

b) The intensity of the electric field from greatest to smallest is given with numbering. Closer to the charged rod greater would be the field. Here C>E>A=E>B

Point B is within the conductor and preferrable zero there.

c) The black lines perpendicular to the field lines are equipotenital lines. Closer to the charge rod, greater would be the electric potenital. The difference is maximum when it is between two lines separated by a larger distance.