An electromagnetic switch operated by a solenoid is one definition of:
A) a transformer
B) an a.c. motor
C) a relay
D) an inductive coil.
Correct Answer:
Verified
Q12: A circuit with bad power factor causes:
A)
Q13: A good insulator material:
A) has lots of
Q14: A good conductor material:
A) has lots of
Q15: Good insulator materials are:
A) copper
B) PVC
C) brass
D)
Q16: Good conductor materials are:
A) copper
B) PVC
C) brass
D)
Q18: A step down transformer has 1000 turns
Q19: One application for a shaded pole a.c.
Q20: One application for an a.c. induction motor
Q21: Resistors of 20 ?, 40 ? and
Q22: Resistors of 60 ?, 40 ? and
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