The Synchronous Motor Is Not Inherently Self-Starting Because

question 25

Multiple Choice

The synchronous motor is not inherently self-starting because

• A)the force required to accelerate the rotor to the synchronous speed in an instant is absent
• B)the starting device to accelerate the rotor to near synchronous speed is absent
• C)a rotating magnetic field does not have enough poles
• D)the rotating magnetic field is produced by only 50 Hz frequency currents

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Definitions:

Sense of Belonging

A feeling of being accepted, valued, and included in a group or community.

Teamwork

The collaborative effort of a group to achieve a common goal effectively by working together cohesively.

Self-fulfilling Prophecy

A prediction that directly or indirectly causes itself to become true due to positive feedback between belief and behavior.

Cognitive Dissonance

The mental discomfort experienced by an individual who holds two or more contradictory beliefs, ideas, or values at the same time, leading to a motivation for change.