Student Feedback and Electric Fields in a Parallel Plate Capacitor, Study notes of Physics

Student feedback on lectures, workshops, and homeworks, as well as information on calculating electric fields in a parallel plate capacitor and the motion of charged particles in an electric field. Students are asked to rank the forces experienced by a proton at various points in a capacitor and to identify the electric field of a sphere of charge.

Typology: Study notes

Pre 2010

Uploaded on 09/17/2009

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Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley.
Lecture 3.2
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Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley.

Lecture 3.

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley.

How do you like the lectures

A.

completely.They were clear and at the right pace, I understood them

B.

I understood the most parts.

C.

They were too fast, I have trouble getting the details

D.

There were incompressible.

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley.

How do you like the homeworks

A.

I can work out homework problems without any trouble.

B.

most of them.Homeworks are a bit difficult, but I managed to work out

C.

The homeworks are too difficult.

D.

I don’t do homeworks.

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley.

Review of Last Lecture

distribution of chargesHow to calculate the electric field by a continuous

Charged line

Charged ring

Charged disk

Infinitely large charged plate

Parallel plate capacitor

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley.

forceslargest to smallest, the Rank in order, from

F

a

to

F

e

a proton

capacitor.this parallel-plateplaced at points a – e inwould experience if

A.

F a = F b = F d = F e > F c

B.

F a = F b > F c > F d = F e

C.

F a = F b = F c = F d = F e

D.

F e = F d > F c > F a = F b

E.

F e > F d > F c > F b > F a

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley. A. F a = F b = F d = F e > F c

B.

F a = F b > F c > F d = F e

C.

F a = F b = F c = F d = F e

D.

F e = F d > F c > F a = F b

E.

F e > F d > F c > F b > F a

forceslargest to smallest, the Rank in order, from

F

a

to

F

e

a proton

capacitor.this parallel-plateplaced at points a – e inwould experience if

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley.A sphere of charge

Q

and radius

R,

be it a uniformly

outside charged sphere or just a spherical shell, has an electric field

the sphere that is exactly the same as that of a point

charge

Q

located at the center of the sphere:

A Sphere of ChargeA Sphere of Charge