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Rank in order, from largest to smallest, the electric field strengths E1 to E5 at the five points inFIGURE Q23.11. Explain.

Short Answer

Expert verified

The rank in order, from largest to smallest, the electric field strengthsE1 to E5 at the five points is E1=E2=E3=E4=E5

Step by step solution

01

Given information

Given the electric field strengths

02

Explanation

Since an electric field Eis a vector quantity Ehas both magnitude and direction.

For the present scenario, Eis constant everywhere between the two plates.

This is specified by E, which are all of the same length and in the same direction.

E1=E2=E3=E4=E5

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Most popular questions from this chapter

FIGUREP23.41 is a cross section of two infinite lines of charge that extend out of the page. Both have linear charge density λ. Find an expression for the electric field strength E at height y above the midpoint between the lines.

You've hung two very large sheets of plastic facing each other with distancedbetween them, as shown inFIGUREEX23.20. By rubbing them with wool and silk, you've managed to give one sheet a uniform surface charge density and the other a uniη1=-η0form surface charge density η2=+3η0. What are the electric field vectors at points1,2and3?

Two10cmdiameter charged rings face each other,20cmapart. The left ring is charged to-20nCand the right ring is charged to+20nc.

a. What is the electric fieldE, both magnitude and direction, at the midpoint between the two rings?

b. What is the force on a proton at the midpoint?

Show that an infinite line of charge with linear charge density λ exerts an attractive force on an electric dipole with magnitude F=2λp4πε0r2. Assume thatr, the distance from the line, is much larger than the charge separation in the dipole.

A small segment of wire in FIGURE Q23.4contains 10nCof charge.

a. The segment is shrunk to one-third of its original length. What is the ratio of λf/λi, where λiandλf are the initial and final linear charge densities?

b. A proton is very far from the wire. What is the ratio Ff /Fi of the electric force on the proton after the segment is shrunk to the force before the segment was shrunk?

c. Suppose the original segment of wire is stretched to 10 times its original length. How much charge must be added to the wire to keep the linear charge density unchanged?

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