1. Magnetism Quiz Catherine Mortimer-Hawkins, IEST

2. Magneticfield Draw the different magneticfields for the different magnets!

3. Which materials are magnetic?

4. Howdoes this work? A, B, C and D are small blocks of different materials. The picturebelow shows whathappenswhentwo of the blocks are placednearoneanother. Describe A, B, C and D with followingwords: A magnet A magnetic material A non-magnetic material Attraction A is ? Attraction B is ? C is ? No effect D is ? No effect A B C B A C B D

5. Howdowefindoutthesethings? Whichwaydoes the magneticfield go? 2. Whichway is north?

6. Explainthese! Name a couple of things you canuse transformers for. Primarycoil 1000 turns Secondarycoil 50 turns And here is a hardone: Calculate the voltage that you will get from the output. What material Is the coremade of? WHY??? 230 V Output Will the voltage Increase or decrease? Howcan you tell that the voltageincreases or decreases?

7. Get it right! Connect the words with the right description.  N-magnet comesnear a N-magnet. A magnet that you canswitch on. Current from a battery. A magnet that when you cutintotwo bits becomestwosmaller magnets. The voltage you get from induction. A cool heavy metal band. S-magnet comesnear a N-magnet. A current that changesdirectionback and forth. Pushing a magnet in and out of a coil. EMF AC Induction DC Attraction Repulsion Electromagnet Permanent magnet AC/DC

8. Howdoes this work?