3/27/06

Faraday’s Law and Lenz’s Rule, continued

Introduction to Waves & Sound

Lab 8 this afternoon

Wednesday’s Reading:Rest of Sec. 9.2: Musical Instruments (pp. 280 – 285)

Reading Quiz up later today

Pick Partner for Poster; inform me of choice on Reading Quiz

Example: Applying Lenz’s Law – Fight the Flux Change!

A solenoid is used to create a uniform magnetic field that points into the page. A wire loop of area A is in the magnetic field, as shown.

For each of the following cases, choose one of the following for the direction of the induced current in the loop:

x x x x x

x x x x x

x x x x x

x x x x x

1. Clockwise

2. Counterclockwise

3. No current

4. Not enough info

c) The loop is rotated so that the top of the loop comes out of the page and the bottom of the loop goes into the page.