The molecular motion caused by the magnetizing and demagnetizing of a transformer's core results in friction which produces heat. This heat loss plus the power loss caused by the magnetic lag is called the ____ loss.
A) phase
B) copper
C) friction
D) hysteresis
Correct Answer:
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Q1: When transformers are constructed, the windings are
Q2: The coils of an air core transformer
Q4: Air core transformers are _.
A) efficient
B) inefficient
C)
Q5: Transformers used for power distribution are wound
Q6: A(n) _ is used for installations where
Q7: If a transformer increases the voltage, it
Q8: The type of material from which the
Q9: Small transformers, such as those used for
Q10: If a transformer has a ratio of
Q11: A transformer's audible hum is a result
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