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Chapter 26: Q. 11 (page 738)

Figure EX26.11 is a graph ofVversusx. Draw the corresponding graph ofExversusx.

Short Answer

Expert verified

We've drawn the required graph withEx=-2000

Step by step solution

01

Given information and theory used  

Given :

Theory used :

The field component E is equal to minus the slope of the graph of the potential V

02

Calculating Ex

The field component Eis equal to minus the slope of the graph of the potential V

As a result, forxbetween 0and10cmandx>20cm, because Vdoes not vary. Between 10and20cm, the potential varies in a consistent manner from -100Vto100V,assuming a constant field of :

Ex=-100V-(-100V)0.2m-0.1m=-2000V/m.

03

Formulating table and graph

Table :

PositionElectric Field
0-10cm
0V/m
10-20cm
-2000V/m
20-30cm
0V/m

Graph :

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Most popular questions from this chapter

Two 2.0cm*2.0cmmetal electrodes are spaced 1.0mmapart and connected by wires to the terminals of a 9.0Vbattery.

a. What are the charge on each electrode and the potential difference between them?

The wires are disconnected, and insulated handles are used to pull the plates apart to a new spacing of 2.0mm.

b. What are the charge on each electrode and the potential difference between them?

A typical cell has a layer of negative charge on the inner surface of the cell wall and a layer of positive charge on the outside surface, thus making the cell wall a capacitor. What is the capacitance of a 50mm-diameter cell with a 7.0nm-thick cell wall whose dielectric constant is 9.0? Because the cell鈥檚 diameter is much larger than the wall thickness, it is reasonable to ignore the curvature of the cell and think of it as a parallel-plate capacitor.

A switch that connects a battery to a 10 mF capacitor is closed. Several seconds later you find that the capacitor plates are charged to 卤30 mC. What is the emf of the battery?

Two 3.0-cm-diameter aluminum electrodes are spaced 0.50 mm apart. The electrodes are connected to a 100 V battery.

a. What is the capacitance?

b. What is the magnitude of the charge on each electrode?

Figure EX26.3 is a graph of Ex. What is the potential difference between xi=1.0mand xf=3.0m?

See all solutions

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