Electromagnetism+Study+Guide

Electromagnetism Study Guide

Describe the properties of magnets.
 * ===== What is a magnetic field? What causes it? =====
 * ===== What is electromagnetism? Explain how an electromagnet works. =====
 * ===== What does electric current produce? =====
 * ===== What strengthens a magnetic field by a solenoid? =====
 * ===== //Describe// the two devices that strengthen the magnetic field of a current-carrying wire. =====
 * ===== What are some practical applications of electromagnets? =====
 * ===== Why does a current-carrying wire cause a compass needle to move? =====
 * ===== Describe the parts of an electric motor and how a motor works. =====
 * ===== What is a galvanometer? How does it work? =====
 * ===== What did Faraday discover? What did his experiments show? (How is electromagnetism induced?) =====
 * ===== What is the relationship between electric current and a magnetic field? =====
 * ===== Describe two ways a magnet can induce an electric current in a wire. =====
 * ===== Describe the parts of a generator and how it works. =====
 * ===== What are three sources of energy that are used to generate electrical energy? =====
 * ===== What does a transformer do? =====
 * ===== Describe the differences between a step up and a step down transformer? =====
 * ===== Explain how the alternating current in the primary coil of a transformer causes a current to be produced in the secondary coil. =====
 * Describe what happens to the electric current that comes to your home from the power plant to your home?