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Contents. • U.S. Government Printing Office; 1945 - 618779
Chapter 21 Quiz
1. How is power transferred in transformer action?
2. How many circuits will you find in transformer action?
3. What controls the power consumption in trans- former action?
4. Must the windings be stationary in order to have transformer action?
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Chapter 21 ANSWERS
1. By mutual induction.
2. At least two.
3. Secondary current.
4. No, all that is necessary is two circuits with pulsating d.c. or a.c. on the