One application for an a.c. induction motor is:
A) an electric train
B) a microwave oven
C) a central heating pump
D) an electric drill.
Correct Answer:
Verified
Q15: Good insulator materials are:
A) copper
B) PVC
C) brass
D)
Q16: Good conductor materials are:
A) copper
B) PVC
C) brass
D)
Q17: An electromagnetic switch operated by a solenoid
Q18: A step down transformer has 1000 turns
Q19: One application for a shaded pole a.c.
Q21: Resistors of 20 ?, 40 ? and
Q22: Resistors of 60 ?, 40 ? and
Q23: Resistors of 6 ? and 3 ?
Q24: The newton is a measure of:
A) potential
Q25: The SI unit of resistance is the:
A)
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