What is the total effective resistance of...

Question 1 / 205eccefa3bacbc34ba4d47f04

Question 1 of 205eccefa3bacbc34ba4d47f04

What is the total effective resistance of figure "B" of the illustrated circuit if the resistance of R is 3 1 ohms, R is 4 ohms, and R is 5 ohms? Illustration EL-0020 2 3

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Question 1 of 20

5eccefa3bacbc34ba4d47f04

What is the total effective resistance of figure "B" of the illustrated circuit if the resistance of R is 3 1 ohms, R is 4 ohms, and R is 5 ohms? Illustration EL-0020 2 3

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🔍 Key Concepts

• How resistances combine in series circuits versus parallel circuits • Identifying the actual current path in figure B when the switch is closed • Formula for total resistance in series: the resistances are added directly

💭 Think About

• Trace the path from the positive side of the source Es, through the fuse and switch, past R1, R2, and R3, and back to the negative side. Do you ever have a point where current can split into two paths? • If the current has only one possible path, how do you combine the resistor values to find the total effective resistance? • Compare the total you calculate to the answer choices—does it look more like the result of adding, or of a parallel combination?

✅ Before You Answer

• Confirm that all three resistors (R1, R2, R3) are in the same single loop with no branching junctions • Use the correct formula: for series circuits, (R_T = R_1 + R_2 + R_3); for parallel, (1/R_T = 1/R_1 + 1/R_2 + 1/R_3) • Double‑check each resistor value (3 Ω, 4 Ω, 5 Ω) is included once in your calculation before matching to the closest answer choice

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Question 1 of 20

What is the total effective resistance of figure "B" of the illustrated circuit if the resistance of R is 3 1 ohms, R is 4 ohms, and R is 5 ohms? Illustration EL-0020 2 3

0.5 ohms

1.28 ohms

1.5 ohms

12 ohms

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Question 1 / 205eccefa3bacbc34ba4d47f04

Question 1 of 205eccefa3bacbc34ba4d47f04

What is the total effective resistance of figure "B" of the illustrated circuit if the resistance of R is 3 1 ohms, R is 4 ohms, and R is 5 ohms? Illustration EL-0020 2 3

Back

Question 1 of 20

5eccefa3bacbc34ba4d47f04

What is the total effective resistance of figure "B" of the illustrated circuit if the resistance of R is 3 1 ohms, R is 4 ohms, and R is 5 ohms? Illustration EL-0020 2 3

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