Physics First 3/13/2013 Dr. Gupta1

1. What is a permanent magnet? Give 3 examples of permanent magnets. 2. What the poles of a magnet? How many 3. Like poles _________ but unlike poles __________ 3/13/2013 Dr. Gupta2

Go over drill Homework due on Friday Read out objective  3/13/2013 Dr. Gupta3

Students will be able to conduct an experiment to study a. the effect of electromagnet on a permanent magnet and also b. to compare the electromagnet to a permanent magnet, in order to understand the role of magnets in every electrical devices that creates motion. 3/13/2013 Dr. Gupta4

Students will watch a video/ demo software to view the effect of permanent/ electromagnet on a closed coil. 3/13/2013 Dr. Gupta5

Students will carry out experiments ( 15.2 Electromagnets, page of Investigation physics) to study a. the effect of electromagnet on a permanent magnet and also b. to compare the electromagnet to a permanent magnet. c. Explanation: Students will explain and write down their observation as per “ Thinking about what you observed” 3/13/2013 Dr. Gupta6

Section 15.1 Reviewing Concepts 3/13/2013 Dr. Gupta7

Section 15.1 Page 379 3/13/2013 Dr. Gupta8

1. The north pole of a permanent magnet ________ south pole of another magnet (attracts/repels). 2. The south pole of a permanent magnet ________ north pole of another magnet (attracts/repels). 3. What is an electromagnet? 3/13/2013 Dr. Gupta9