Here is the "Electricity  Basic Navy Training Courses"
(NAVPERS 10622)
in its entirety. It should provide one of the Internet's best resources for people seeking
a basic electricity course  complete with examples worked out. See
copyright. See
Table of Contents. • U.S. Government Printing Office; 1945  618779
Chapter 12 QUIZ
ELECTROMAGNETISM
1. Is the direction of flux correctly labeled for the electromagnets in the following drawing?
2. Which of these coils is the strongest? A has 22 turns and 5 amperes.
B has 37 turns and 3 amperes. C has 17 turns and 9 amperes. 3. How can you increase
a coil's strength without changing the construction?
Return to Chapter 12
Chapter 12 ANSWERS
ELECTROMAGNETISM
1. A: correct. B: incorrect. C: incorrect. D: correct. 2. C
is the strongest.
3. Increase the coil's current.
Webmaster: Kirt Blattenberger,
BSEE, UVM 1989
