CK-12-Physics-Concepts - Intermediate

20.3. Electric Motors http://www.ck12.org 20.3 Electric Motors Explain the design and operation of an electric motor. As gas p ...

http://www.ck12.org Chapter 20. Magnetic Fields move. If we choose to consider electron current in this case, the electrons flow ...

20.3. Electric Motors http://www.ck12.org Summary When current runs through the circuit, a force will be exerted on the wire. A ...

http://www.ck12.org Chapter 20. Magnetic Fields a. up b. down c. left d. right e. None of these. Which way will the coil spin w ...

20.4. Electromagnets http://www.ck12.org 20.4 Electromagnets Define and describe a solenoid. Define and describe an electromagn ...

http://www.ck12.org Chapter 20. Magnetic Fields The magnetic field around the wire is determined by a hand rule. Since this desc ...

20.4. Electromagnets http://www.ck12.org The overhead portion of this machine (painted yellow) is a lifting electromagnet. It is ...

http://www.ck12.org Chapter 20. Magnetic Fields Review Questions Magnetism is always present when electric charges ___. What ha ...

20.5. References http://www.ck12.org 20.5 References Courtesy of the Bureau of Reclamation. http://commons.wikimedia.org/wiki/F ...

http://www.ck12.org Chapter 21. Electromagnetic Induction CHAPTER 21 Electromagnetic Induction Chapter Outline 21.1 Electromotiv ...

http://www.ck12.org Therefore, the most efficient system for the transmission of electric power is to step up transform the curr ...

http://www.ck12.org Chapter 21. Electromagnetic Induction 21.1 Electromotive Force Define EMF. Calculate EMF for a wire moving ...

21.1. Electromotive Force http://www.ck12.org If a wire that is part of a complete circuit is moved through a magnetic field, th ...

http://www.ck12.org Chapter 21. Electromagnetic Induction like many historical terms, is a misnomer. Electromotive force is NOT ...

21.1. Electromotive Force http://www.ck12.org Which of the following units are equivalent to those ofEMFproduced in a generator ...

http://www.ck12.org Chapter 21. Electromagnetic Induction 21.2 Electric Generators Explain how an electric generator works. Exp ...

21.2. Electric Generators http://www.ck12.org Consider the coil and magnetic field sketched above. When the right hand side of t ...

http://www.ck12.org Chapter 21. Electromagnetic Induction Ieff= 0. 707 Imax Veff= 0. 707 Vmax Example Problem:An AC generator de ...

21.2. Electric Generators http://www.ck12.org Which of the two generators in the video involves a wire-wrapped armature? What i ...

http://www.ck12.org Chapter 21. Electromagnetic Induction 21.3 Lenz’s Law State Lenz’s law. Explain back EMF and explain how it ...