BB8R Downloadable GENERAL PHYSICS II: CALCULUS-BASED (PHYS 233 eTextbook ent Pro

Question

BB8R Downloadable GENERAL PHYSICS II: CALCULUS-BASED (PHYS 233 eTextbook ent Problem 16.50 FULL SCREEN : PRINTER VERSION BACK NEXT x Your answer is inco Try again Radius 10 Potential difference in a capacitor A capacitor consists of two lerge metal disks placed a distance s apart (see the ngure). The radius R or each disk is 7.6 m, the cao is petween the disks is 1.3 mm, and the thickness of each disk is 0.3 mm. The disk on the left has a net charge of 3.3 x 10-4 C and the disk on the right has a net charge of 3 3 1 4 e al late the potential difference a i here to ation t is ias de thean disk at its center, and location 2 is in the center of the air gap between the disks use A 8.85 x 10-2 Nm ,-Vi T 133.57 tolerance is NK TO TEXT Version 1.24.9.3 All Rights Reseved. A Division of MacBook Pro F1o F7

Explanation / Answer

Electric field between the plates is gievn by

E= q/(A* epsilon_not)= 3.3*10^-4/(3.14*(7.6)^2*8.85*10^-12)

E= 2.056*10^5 N/C

Potential at point 1

V1= Ed= 2.056*10^5*(0.3/2)*10^-3= 30.84 V

Potential at point 2

V2= 2.056*10^5*10^-3*( 0.3/2 + 1.3/2)

V2= 164.48 V

V2- V1= 162-30.84= 133.64 V

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