What would be the total current flowing in...

Question 1 / 2066636eed28f7522a1c51ddc3

Question 1 of 2066636eed28f7522a1c51ddc3

What would be the total current flowing in the circuit shown in figure "B" of the illustration if the source is 30 volts, the resistance of R1 is 10 ohms, R2 is 10 ohms and R3 is 10 ohms, respectively? Illustration EL-0032

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🔍 Key Concepts

• Identify which resistors are in series and which are in parallel in figure B • Use the equivalent resistance formula for resistors in parallel: 1/R_eq = 1/R1 + 1/R2 • Apply Ohm's Law: I = V / R_total once you have the total resistance

💭 Think About

• Look at the current path from the source, through the switch, then through the resistors—where does the current split and where does it rejoin? • After combining the two resistors that are in parallel into one equivalent resistance, what is the total circuit resistance when you include the remaining resistor? • With a 30‑volt source and your calculated total resistance, what current value do you get, and which choice is closest to that value?

✅ Before You Answer

• Confirm which two resistors are definitely in parallel (they share both connection points). • Make sure you computed the parallel pair correctly: for equal resistors in parallel, R_eq should be less than either resistor. • Recheck that you added any series resistance to the parallel equivalent before using Ohm’s Law to find total current.

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Question 1 of 20

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Question 1 / 2066636eed28f7522a1c51ddc3

Question 1 of 2066636eed28f7522a1c51ddc3

Back

Question 1 of 20

66636eed28f7522a1c51ddc3

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Be the first to share your thoughts!

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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