What is the total resistance of the...

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Question 1 of 2066636eed28f7522a1c51dc7f

What is the total resistance of the electrical circuit illustrated in figure "B" if the resistance of R1 is 2 ohms, R2 is 4 ohms, and R3 is 4 ohms and the battery voltage is 6 volts? Illustration EL-0019

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Question 1 of 20

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🔍 Key Concepts

• Identify whether R1, R2, and R3 in figure B are in series or parallel with each other • Use the formula for equivalent resistance of parallel resistors if they are in parallel • Compare your calculated total resistance to the multiple‑choice answers, paying attention to powers of ten and decimal places

💭 Think About

• Look at where each resistor connects: do they all share the same two connection points, or are they end‑to‑end? That tells you if they are in parallel or series • Once you decide the configuration, write the correct formula for total resistance and carefully substitute 2 Ω, 4 Ω, and 4 Ω • Check whether the 6‑volt battery value is actually needed to find total resistance, or if it might be extra information

✅ Before You Answer

• Confirm visually that the resistors share common nodes if they are in parallel • Be sure you are adding conductances (1/R) for parallel, not adding the resistances directly • After computing, verify your result is reasonable: three resistors in parallel should give a total resistance less than the smallest individual resistor

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