A coil is wound with 200 feet of No. 16...

Question 1 / 205eccefa3bacbc34ba4d47eb9

Question 1 of 205eccefa3bacbc34ba4d47eb9

A coil is wound with 200 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

5eccefa3bacbc34ba4d47eb9

A coil is wound with 200 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

• Ohm’s Law and the relationship between voltage, current, and resistance: ( I = \frac{V}{R} ) • How to scale resistance when you are given ohms per 1000 feet but only use 200 feet of wire • Making sure units match: converting 200 feet into a fraction of 1000 feet before calculating total resistance

💭 Think About

• First, figure out the total resistance of 200 feet of wire using the given resistance per 1000 feet. How do you scale 4.26 ohms for a shorter length? • Once you have the total resistance, apply Ohm’s Law with the 12-volt battery. How does current change when resistance is less than 1 ohm? • Compare your computed current with the choices. Which one is closest to your calculated value?

✅ Before You Answer

• Calculate the fraction of 1000 feet that 200 feet represents and multiply the resistance per 1000 feet by that fraction • Double-check that your resistance value is reasonable (it should be less than 4.26 ohms because the wire is shorter than 1000 feet) • After using ( I = \frac{V}{R} ), confirm your units (volts, ohms, amps) and ensure your current value is within a realistic range for a low-resistance DC circuit

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Question 1 of 20

A coil is wound with 200 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?

1.14 amps

7.04 amps

10.22 amps

14.08 amps

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Question 1 / 205eccefa3bacbc34ba4d47eb9

Question 1 of 205eccefa3bacbc34ba4d47eb9

A coil is wound with 200 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

5eccefa3bacbc34ba4d47eb9

A coil is wound with 200 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