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CHAPTER 3 QUIZ – ELECTROMAGNETISM NAME: FILL IN THE BLANKS (1 MARK EACH x 15) 1. 2. 3. 4. 5. 6. An _______________ is a solenoid with iron in the middle of it. An instrument used to detect small currents is called a _________________. _____________ found that an electric current created a magnetic field. A long coil of wire with many loops is called a _________________. __________________ is the relationship between electricity and magnetism. The strength of a solenoid can be _______________ by adding more coils, current, or mostly by placing iron in the middle. 7. An ____________ - ____________ changes electrical energy into mechanical energy. 8. The voltage of AC can be changed by a ____________________. 9. ______________ found that electromagnetic induction is true. 10. The Hoover Dam is an example a _________________. 11. ______________ – ______________ is when a current is produced by a changing electric field. 12. A transformer that increases voltage is called a ______________ transformer and one that decreases voltage is called a _______________ transformer. WORD BANK GENERATOR ELECTROMAGNET DECREASED FARADAY ELECTRIC ELECTROMAGNETISM TRANSFORMER GALVANOMETER INDUCED OERSTED CURRENT FERROMAGNETIC STEP-UP INCREASED STEP-DOWN SOLENOID MOTOR MAGNET