1. Bellwork Jan 23, 2013 1 SPI 0807:12.1 to 12.3 Electricity and Magnetism 1)The two pictures below both show electromagnet induction. Describe this process in two steps (p439) 2) Picture 01 shows a bar magnet being pushed through a wire coil. How would you increase the electrical current? (p439: Fig 2, Letter B) Picture 01 Picture 02 3) Picture 02 shows an electrical generator. What are the five components for a generator shown on p440: Fig 4? First, please go get your clicker…thanks!

2. Bellwork 1 SPI 0807:12.1 to 12.3 Electricity and Magnetism 1)The two pictures below both show electromagnet induction. Describe this process in two steps (p439) Picture 01 Picture 02 Answer: Step 1: You must have a magnet and coil of wire Step 2: You must move the magnet through or around the coil… OR …move the coil over or around the magnet

3. Bellwork 1 SPI 0807:12.1 to 12.3 Electricity and Magnetism 2) Picture 01 shows a bar magnet being pushed through a wire coil. How would you increase the electrical current? (p439: Fig 2, Letter B) Picture 01

4. Bellwork 1 SPI 0807:12.1 to 12.3 Electricity and Magnetism 3) Picture 02 shows an electrical generator. What are the five components for a generator shown on p440: Fig 4? Picture 02 (4) (5) (2) (3) (1)

5. Quiz Instructions A)Get your clicker B) Number your paper from 1 to 12  As usual, skip a space after every third number C) Put all books and notebooks away D) Complete the quiz E) When you finish clicking in your answers…  Return your clicker  Place all documents (yours and mine) on the table F) Then work on the following:  p443: 1 to 9 and p446: 1 to 18  NO HOMEWORK! SPI 0807:12.1 to 12.3 Electricity and Magnetism