Internal thermal overload protection normally consists of a solid-state device that has a ______________ temperature coefficient.
As the temperature of the motor stator rises, owing to mechanical overload, the thermal device goes into a _________ - _________________ state and opens the supply to the stator windings.
A) negative; low-resistance
B) negative; high-resistance
C) positive; low-resistance
D) positive; high-resistance
Show Answer
Answer:D
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