Problem

What charge is stored in a 180$\mu \mathrm{F}$ ca…

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Problem 45 Easy Difficulty

The lesser electric ray (Narcine bancroftii) maintains an incredible charge on its head and a charge equal in magnitude but opposite in sign on its tail (Figure 19.38). (a) Sketch the equipotential lines surrounding the ray. (b) Sketch the equipotentials when the ray is near a ship with a conducting surface. (c) How could this charge distribution be of use to the ray?

Answer

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Physics 102 Electricity and Magnetism

College Physics for AP® Courses

Chapter 19

Electric Potential and Electric Field

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Christina K.

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Video Transcript

Yeah in discussion before it's getting the decree potential lines all day. That's discuss about that total recuperation lines. So people potential lines are those lines along which the electric potential remains constant for the butter to move a charge along the equi potential surface is equal to zero. Well these lines will be perpendicular with the electric field lines now comes to party. So here in a simple depose system equal and opposite charges are separated by a finite distance. So in case of less electric ray there are equal and opposing charges separated by a finite distance. Does the electric well produced will be seen as that open electric type? It means that equal potential line will also be same as that of a simple die paul. So here the following figure sauce. The electric and lines in the form of solid lines and it re potential lines and daughter lines now gone through part B. Yeah we are going to draw the potential lines around the fish nearer connecting matter. So when that this electrically is near a shape. The electrically which are interacting with the connecting surface of the ship will be part time regular to the surface of that kind of. And this is because a special conductor are big people think so surfaces select group. The potential line around the fish near a connecting matter. So this is the schedule of the potential line around the fish. Near are conducting method. Now here this is actually a metal service. These are really engine lines is are the electric. Okay lines. No comes to part C. No the chance is a musician. Yes. Nasa Electric do. That is, yeah. Defense. Mcginnis against Yes, enemies Since there is equal and I'm all there chance end of. Yeah, it's eggs. Any object that pros you on a give. Yeah. Then I'm clear, uh, circuit and as uh, this is a off. Yes. Well, receive and electorate. Well, this is uh huh is charged or uh, big Yeah.

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