A 6 volt battery with 1.2 ohms internal...

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Question 1 of 20LuebB949I9sqlJNYb6rk

A 6 volt battery with 1.2 ohms internal resistance is connected across two light bulbs in parallel whose resistance is 12 ohms each. What is the current flow?

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Question 1 of 20

LuebB949I9sqlJNYb6rk

A 6 volt battery with 1.2 ohms internal resistance is connected across two light bulbs in parallel whose resistance is 12 ohms each. What is the current flow?

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🔍 Key Concepts

• Equivalent resistance of parallel circuits – how to combine two equal resistances in parallel • Internal resistance of a battery – treat it like another resistor in series with the external circuit • Ohm’s Law (I = V / R) – using total circuit resistance to find total current

💭 Think About

• First, find the combined resistance of the two 12-ohm bulbs in parallel. What is the equivalent resistance of two equal resistors in parallel? • Next, remember that the battery’s internal resistance is in series with the external circuit. How do you add series resistances? • Once you have the total resistance (internal + external equivalent), how do you use the 6 V battery value to compute the total current?

✅ Before You Answer

• Make sure you correctly find the equivalent resistance of the two 12-ohm bulbs (it should be less than 12 ohms). • Confirm that the internal resistance (1.2 ohms) is added in series with the bulbs’ equivalent resistance, not in parallel. • After calculating total current with I = V / R_total, check that your answer is less than 6 amps and greater than 0 amps, then see which choice it’s closest to.

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Question 1 of 20LuebB949I9sqlJNYb6rk

A 6 volt battery with 1.2 ohms internal resistance is connected across two light bulbs in parallel whose resistance is 12 ohms each. What is the current flow?

Back

Question 1 of 20

LuebB949I9sqlJNYb6rk

A 6 volt battery with 1.2 ohms internal resistance is connected across two light bulbs in parallel whose resistance is 12 ohms each. What is the current flow?

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