Three charged metal disks are arranged as shown (cutaway view). The disks are he
ID: 1709485 • Letter: T
Question
Three charged metal disks are arranged as shown (cutaway view). The disks are held apart by insulating supports not shown in the diagram. Each disk has an area of 2.3 m2 (this is the area of one flat surface of the disk). Use the value 8.85e-12 C2/(N·m2) for 0.The charge Q1 = 5e-8 coulombs, and the charge Q2 = 2e-7 coulombs.
What is the magnitude of the electric field in the region between disks 1 and 2?
|E12| =_________ V/m
What is the potential difference VC - VB?
VC - VB = ______ volts
What is the potential difference VD - VC?
VD - VC = ______ volts
What is the potential difference VF - VD?
VF - VD = ______ volts
What is the potential difference VG - VF? VG - VF = ______ volts
What is the potential difference VG - VA? VG - VA = ______ volts
The charged disks have tiny holes which allow a particle to pass through them. An electron which is traveling at a fast speed approaches the plates from the left side. It travels along a path from A to G. Since no external work is done on the system of plates + electron,
K + U = Wext = 0
Consider the following states: Initial, electron at location A. Final, electron at location G.
What is the change in potential energy of the system?
U = ______ joules
What is the change in kinetic energy of the electron?
K = ______joules
Three charged metal disks are arranged as shown (cutaway view). The disks are held apart by insulating supports not shown in the diagram. Each disk has an area of 2.3 m2 (this is the area of one flat surface of the disk). Use the value 8.85e-12 C2/(Nm2) for epsilon0.The charge Q1 = 5e-8 coulombs, and the charge Q2 = 2e-7 coulombs. What is the magnitude of the electric field in the region between disks 1 and 2? |E12| =_________ V/m What is the potential difference VC - VB? VC - VB = volts What is the potential difference VD - VC? VD - VC = volts What is the potential difference VF - VD? VF - VD = volts What is the potential difference VG - VF? VG - VF = volts What is the potential difference VG - VA? VG - VA = volts The charged disks have tiny holes which allow a particle to pass through them. An electron which is traveling at a fast speed approaches the plates from the left side. It travels along a path from A to G. Since no external work is done on the system of plates + electron, Delta K + Delta U = Wext = 0 Consider the following states: Initial, electron at location A. Final, electron at location G. What is the change in potential energy of the system? Delta U = joules What is the change in kinetic energy of the electron? Delta K = joules
Explanation / Answer
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