Fa08_7C_6

# Fa08_7C_6 - Quiz 5 Reminder: Emilys Office Hours next week...

This preview shows pages 1–12. Sign up to view the full content.

1 Quiz 5 Reminder: Emily’s Office Hours next week are different: Wednesday 11/12 from 1-2pm in TB114 Monday 11/10 OH are cancelled

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Physics 7C Fall 2008 Lecture 6: Field model If time permits, begin Electric Potential Energy & Electric Potential Dipole field
3 Tesla Coil Powered by electricity Observe the top--what do you see? Observe as a fluorescent lamp is brought near--what do you see? Image: http://tommcmahon.typepad.com/photos/uncategorized/2007/08/16/teslacoil2.jpg Takeaway message: the device is generating something electrical throughout space in the vicinity of the coil.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
4 Field Model: What is a field? …some physical quantity that has a value “everywhere,” that can either change from location to location or stay the same. -Physics 7C Course Notes In physics, a “field” refers to a quantity that has a value for every point in space.” -homework from DLM 10 Is temperature a field?
5 Temperature Field What do places with the same color have in common?

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
6 True or False Gravity is more on Earth than the moon.
7 True or False Gravity is more for a feather on Earth than for an elephant on the moon. QuickTimeª and a TIFF (Uncompressed) decompressor are needed to see this picture. QuickTimeª and a TIFF (Uncompressed) decompressor are needed to see this picture.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
8 Field Model: Gravitation A source mass m 1 creates a gravitational field in a direction toward the source mass with a value g=Gm 1 /r 2 The net Gravitational Field is the sum of all the source fields. A test mass m 2 , placed in a gravitational field, experiences a gravitational force Magnitude given by F=m 2 g Direction of force: Attractive
9 Electric Phenomenon Like gravitational force, the electrical interaction between objects acts at a distance. Electrical interaction depends on charges

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
10 New Models: Electric Field and Forces Field, Forces, Potential Energy, and Potential Magnetic Field and Forces
11 Applying Field Model to Electrical Phenomena A charge Q generates an Electric Field E Q Charge q, placed in an electric field E Q , experiences a force F elec Q on q =q E Q .

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 05/30/2009 for the course PHY 7C taught by Professor Mahmud during the Fall '08 term at UC Davis.

### Page1 / 47

Fa08_7C_6 - Quiz 5 Reminder: Emilys Office Hours next week...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online