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Chapter 26: Q. 1 (page 737)

What is the potential difference between xi=10cm and xf=30cm in the uniform electric field Ex=1000V/m?

Short Answer

Expert verified

-200voltsis the potential difference.

Step by step solution

01

Given information and formula used

Given :

xi=10cm ; xf=30cm

Uniform electric field : Ex=1000V/m

Theory used :

The potential decrease is provided by the formula : 鈭�V=-E(xf-xi)

02

Calculating the required the potential difference 

The field is uniform and oriented in the xdirection.

So, using the formula we get :

role="math" localid="1649493329471" 鈭�V=-E(xf-xi)鈬�鈭�V=-200V

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Most popular questions from this chapter

An electric dipole at the origin consists of two charges q spaced apart along the y-axis.

a. Find an expression for the potential V(x, y) at an arbitrary point in the xy-plane. Your answer will be in terms of q, s, x, and y.

b. Use the binomial approximation to simplify your result from part a when s V x and s V y.

c. Assuming s V x and y, find expressions for Ex and Ey, the components of E u for a dipole.

d. What is the on-axis field E? Does your result agree with Equation 23.10?

e. What is the field E u on the bisecting axis? Does your result agree with Equation 23.11?

What is the equivalent capacitance of the three capacitors in Figure EX26.27?

The electric field in a region of space is eX=-1000脳v/M, where xis in meters.

a. Graph Exversus xover the region -1m...脳...1m.

b. What is the potential difference between xi=-20cmand xf=30cm?

Two 4.0cm脳4.0cmmetal plates are separated by a 0.20mm-thick piece of Teflon.

a. What is the capacitance?

b. What is the maximum potential difference between the plates?

Figure Q26.10 shows a 3Vbattery with metal wires attached to each end. What are the potential differences 鈭�V12=V2-V1,鈭�V23=V3-V2,鈭�V34=V4-V3,and鈭�V41=V1-V4?

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