Enter your Name:   Enter your E-mail Address:  Be sure to write all your answers with the proper number of significant figures and to list the units that go with your answers! 01. A magnet that is free to move is placed in the following magnetic field at the point labeled "X". In which direction does the magnet's south pole point? 02. Draw the magnetic field lines for the situation below: 03. What is wrong with the following picture? 04. A substance is attracted to a magnet, but no matter how hard you try, you cannot turn it into a magnet. Is the substance diamagnetic, paramagnetic, or ferromagnetic? 05. A substance is made from atoms that are not magnetic. Is the substance diagmagnetic, paramagnetic, or ferromagnetic? 06. A substance is made from atoms that are magnetic, but these atoms do not arrange themselves in magnetic domains. Is the substance diamagnetic, paramagnetic, or ferromagnetic? 07. How can you turn a ferromagnetic substance that is not a magnet into a magnet? 08. Draw the magnetic field lines for the following current-carrying wire. 09. State Faraday's Law of Electromagnetic Induction. 10. With the exception of solar power plants, how do all power plants generate electricity? 11. What do all power plants with the exception of solar and hydroelectric power plants use to turn their turbines? 12. Describe the energy conversion steps that occur in a coal-burning power plant. 13. What is alternating current? 14. A certain electrical circuit is powered by plugging it into a wall socket. Is this an alternating current circuit or a direct current circuit? 15. Why is a household outlet rated for 120 V when, in fact, the maximum voltage that it delivers is 170 V?