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Chapter 26: Q. 12 (page 737)

Rank in order, from largest to smallest, the potential differences (鈭�VC)1to(鈭�VC)4of the four capacitors in Figure Q26.12. Explain.

Short Answer

Expert verified

The potential differences are :(鈭�Vc)3>(鈭�Vc)4=(鈭�Vc)1>(鈭�Vc)2

Step by step solution

01

: Given information and formula used   

Given Figure :

Formula used :

鈭�Vc=QC

02

Calculating the potential differences 

Calculating each capacitor's 鈭�Vc=QC

鈬�(鈭�Vc)1=QC,(鈭�Vc)2=0.5(鈭�Vc)1

(鈭�Vc)3=2(鈭�Vc)1,(鈭�Vc)4=(鈭�Vc)1

So,(鈭�Vc)3>(鈭�Vc)4=(鈭�Vc)1>(鈭�Vc)2

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Most popular questions from this chapter

Six identical capacitors with capacitance care connected as shown in FIGURE P26.60.

a. What is the equivalent capacitance of these six capacitors?

b. What is the potential difference between points aand b?

An ideal parallel-plate capacitor has a uniform electric field between the plates, zero-field outside. By superposition, half the field strength is due to one plate and a half due to the other.

a. The plates of a parallel-plate capacitor are oppositely charged and attract each other. Find an expression in terms of C,鈭�Vcand the plate separation dfor the force one plate exerts on the other.

b. What is the attractive force on each plate of a 100pFcapacitor with a plate spacing when1.0mmcharged to 1000V?

The electric potential in a region of uniform electric field is-1000V at x=-1.0m and +1000Vatx=+1.0m. What is Ex?

a. Which point in Figure EX26.5, 'A' or 'B', has a larger electric potential?

b. What is the potential difference between 'A' and 'B'?

The electric potential along the x-axisisV=100x2V, where xis in meters. What is Exat

(a) x=0mand

(b) x=1m?
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