What would be the synchronous speed of an...

Question 1 / 2066636eed28f7522a1c51ddbc

Question 1 of 2066636eed28f7522a1c51ddbc

What would be the synchronous speed of an eight-pole three-phase squirrel-cage induction motor operating at 60 Hz?

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Question 1 of 20

66636eed28f7522a1c51ddbc

What would be the synchronous speed of an eight-pole three-phase squirrel-cage induction motor operating at 60 Hz?

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🔍 Key Concepts

• Formula for synchronous speed of an AC motor in RPM • Relationship between frequency (Hz), number of poles, and motor speed • Typical synchronous speeds for 60 Hz motors with different pole numbers (2, 4, 6, 8)

💭 Think About

• First, recall or look up the standard formula that links frequency and number of poles to synchronous speed. • Substitute 60 Hz and 8 poles into that formula carefully, watching units. • Compare your calculated value with the answer choices and think about whether 8 poles should give a higher or lower speed than 4-pole and 6-pole motors at 60 Hz.

✅ Before You Answer

• Make sure you are using the correct formula for synchronous speed, not slip or rotor speed. • Double-check your calculation of poles in the denominator (don’t confuse number of pole pairs with total poles). • Confirm that your result is a standard synchronous speed for a 60 Hz motor and matches one of the listed RPM values.

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Question 1 of 20

What would be the synchronous speed of an eight-pole three-phase squirrel-cage induction motor operating at 60 Hz?

875 RPM

900 RPM

1725 RPM

1800 RPM

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Question 1 / 2066636eed28f7522a1c51ddbc

Question 1 of 2066636eed28f7522a1c51ddbc

What would be the synchronous speed of an eight-pole three-phase squirrel-cage induction motor operating at 60 Hz?

Back

Question 1 of 20

66636eed28f7522a1c51ddbc

What would be the synchronous speed of an eight-pole three-phase squirrel-cage induction motor operating at 60 Hz?

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