What type of AC motor would use a rheostat...

Question 1 / 205eccefa4bacbc34ba4d48322

Question 1 of 205eccefa4bacbc34ba4d48322

What type of AC motor would use a rheostat in the rotor circuit to vary the speed of the motor?

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Question 1 of 20

5eccefa4bacbc34ba4d48322

What type of AC motor would use a rheostat in the rotor circuit to vary the speed of the motor?

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🔍 Key Concepts

• Wound-rotor vs squirrel-cage induction motors and where the rotor circuit is accessible • How speed control is commonly achieved in different types of AC motors • Which motor types have slip rings that allow external resistances (like a rheostat) to be connected to the rotor

💭 Think About

• First, ask yourself: which of these motor types has a rotor that you can actually connect external resistors to? • Think about how synchronous motors operate: does their speed vary with rotor resistance, or is it locked to supply frequency? • Between the two induction motors listed, which one has a rotor construction that allows adding resistance in the rotor circuit for speed control?

✅ Before You Answer

• Identify which motors have slip rings and brushes on the rotor, allowing a rheostat to be connected. • Confirm which motor’s speed can be varied by changing rotor circuit resistance, not just supply frequency or voltage. • Eliminate any motor types whose rotor is short‑circuited internally and not accessible from the outside.

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Question 1 of 20

What type of AC motor would use a rheostat in the rotor circuit to vary the speed of the motor?

regenerative braking motor

synchronous motor

wound-rotor induction motor

squirrel-cage induction motor

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Question 1 / 205eccefa4bacbc34ba4d48322

Question 1 of 205eccefa4bacbc34ba4d48322

What type of AC motor would use a rheostat in the rotor circuit to vary the speed of the motor?

Back

Question 1 of 20

5eccefa4bacbc34ba4d48322

What type of AC motor would use a rheostat in the rotor circuit to vary the speed of the motor?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed