A 125 volt DC motor is rated at 10 kW. What...

Question 1 / 205eccefa3bacbc34ba4d47f33

Question 1 of 205eccefa3bacbc34ba4d47f33

A 125 volt DC motor is rated at 10 kW. What is the current rating of the motor?

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Question 1 of 20

5eccefa3bacbc34ba4d47f33

Q

A 125 volt DC motor is rated at 10 kW. What is the current rating of the motor?

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🔍 Key Concepts

• Relationship between power (kW), voltage (V), and current (A) in DC circuits • How to convert kilowatts to watts • Checking if an answer is reasonable in size for the given power and voltage

💭 Think About

• What is the basic formula that links power, voltage, and current in a DC circuit? Rearrange that formula to solve for current. • First change 10 kW into watts, then plug into your formula with 125 V and solve for current. • After you compute the current, which answer choice is closest to your calculated value?

✅ Before You Answer

• Be sure you converted kilowatts to watts correctly before calculating. • Verify you used the correct formula for DC power, not AC three-phase power. • Check that your final current value is not unrealistically small or huge for a 10 kW motor at 125 V.

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Question 1 of 20

Q

A 125 volt DC motor is rated at 10 kW. What is the current rating of the motor?

A

4.6 amps

B

8.0 amps

C

46.2 amps

D

80 amps

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Question 1 / 205eccefa3bacbc34ba4d47f33

Question 1 of 205eccefa3bacbc34ba4d47f33

A 125 volt DC motor is rated at 10 kW. What is the current rating of the motor?

Back

Question 1 of 20

5eccefa3bacbc34ba4d47f33

Q

A 125 volt DC motor is rated at 10 kW. What is the current rating 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

• Relationship between power (kW), voltage (V), and current (A) in DC circuits • How to convert kilowatts to watts • Checking if an answer is reasonable in size for the given power and voltage

💭 Think About

• What is the basic formula that links power, voltage, and current in a DC circuit? Rearrange that formula to solve for current. • First change 10 kW into watts, then plug into your formula with 125 V and solve for current. • After you compute the current, which answer choice is closest to your calculated value?

✅ Before You Answer

• Be sure you converted kilowatts to watts correctly before calculating. • Verify you used the correct formula for DC power, not AC three-phase power. • Check that your final current value is not unrealistically small or huge for a 10 kW motor at 125 V.

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

Quick actions

— No credit card needed