A coil is wound with 400 feet of No. 16...

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Question 1 of 205eccefa3bacbc34ba4d47eba

A coil is wound with 400 feet of No. 16 tinned copper wire and connected to a 12 volt battery. What is the current if the resistance per 1000 feet of No. 16 tinned copper wire is 4.26 ohms?

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Question 1 of 20

5eccefa3bacbc34ba4d47eba

A coil is wound with 400 feet of No. 16 tinned copper wire and connected to a 12 volt battery. What is the current if the resistance per 1000 feet of No. 16 tinned copper wire is 4.26 ohms?

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🔍 Key Concepts

• Use Ohm’s Law: the relationship between voltage (V), current (I), and resistance (R) • How to scale resistance per 1000 feet down to the actual length of wire used • Unit consistency when moving from feet to resistance and then to current

💭 Think About

• How do you find the total resistance of 400 feet of wire if you know the resistance per 1000 feet? What fraction of 1000 feet is 400 feet? • Once you know the total resistance, how does Ohm’s Law relate voltage, current, and resistance? Which form of the formula lets you solve for current? • After calculating the current, which answer choice is numerically closest to your result when rounded properly?

✅ Before You Answer

• First compute the total resistance for 400 feet using the given "per 1000 feet" value before using Ohm’s Law • Make sure you do not forget to multiply the resistance per 1000 feet by the correct fraction (400/1000) • Double-check your arithmetic when dividing voltage by resistance so the units work out to amperes (amps)

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Question 1 of 205eccefa3bacbc34ba4d47eba

A coil is wound with 400 feet of No. 16 tinned copper wire and connected to a 12 volt battery. What is the current if the resistance per 1000 feet of No. 16 tinned copper wire is 4.26 ohms?

Back

Question 1 of 20

5eccefa3bacbc34ba4d47eba

A coil is wound with 400 feet of No. 16 tinned copper wire and connected to a 12 volt battery. What is the current if the resistance per 1000 feet of No. 16 tinned copper wire is 4.26 ohms?

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