An electron enters a parallel plate capacitor through a small hole in the center of positive plate and leaves through a small hole in negative plate. The capacitor behaves exactly like an ideal parallel plate capacitor. When the electron enters the left side of the capacitor, the electron has an initial velocity of vo = 1.5 x 107 m/, î as shown in the figure. The charge on the capacitor is 5nC. Each plate is circular with a radius of 5cm and the distance between the plates is 6mm. Assume the electric potential is zero on the negative plate of the capacitor. a. What is the magnitude of the electric field inside the capacitor? Parallel Plate Capacitor electron Vo b. Draw the electric field lines on the figure [2 points] d C. What is the electric potential at the hole in the positive plate of the capacitor? +++++++ +++++++

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An electron enters a parallel plate capacitor through a small hole in the center of positive plate and leaves
through a small hole in negative plate. The capacitor behaves exactly like an ideal parallel plate capacitor.
When the electron enters the left side of the capacitor, the electron has an initial velocity of
vo = 1.5 x 107 m/s î as shown in the figure. The charge on the capacitor is 5nC. Each plate is circular with a
radius of 5cm and the distance between the plates is 6mm. Assume the electric potential is zero on the negative
plate of the capacitor.
a. What is the magnitude of the electric field inside the capacitor?
Parallel Plate Capacitor
electron
Vo
b. Draw the electric field lines on the figure [2 points]
d.
C.
What is the electric potential at the hole in the positive plate of the capacitor?
d. Does the electron have more or less kinetic energy as it leaves the capacitor at the right? Justify your answer
e. What is the electron's speed as it leaves the capacitor at the right?
+++++ + + +++++++
Transcribed Image Text:An electron enters a parallel plate capacitor through a small hole in the center of positive plate and leaves through a small hole in negative plate. The capacitor behaves exactly like an ideal parallel plate capacitor. When the electron enters the left side of the capacitor, the electron has an initial velocity of vo = 1.5 x 107 m/s î as shown in the figure. The charge on the capacitor is 5nC. Each plate is circular with a radius of 5cm and the distance between the plates is 6mm. Assume the electric potential is zero on the negative plate of the capacitor. a. What is the magnitude of the electric field inside the capacitor? Parallel Plate Capacitor electron Vo b. Draw the electric field lines on the figure [2 points] d. C. What is the electric potential at the hole in the positive plate of the capacitor? d. Does the electron have more or less kinetic energy as it leaves the capacitor at the right? Justify your answer e. What is the electron's speed as it leaves the capacitor at the right? +++++ + + +++++++
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