With the switch closed in the circuit...

Question 1 / 205eccefa3bacbc34ba4d47f34

Question 1 of 205eccefa3bacbc34ba4d47f34

With the switch closed in the circuit illustrated in figure "B", what is the total power consumed by the loads if the applied voltage is 24 volts and the resistance of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms, respectively? See illustration EL-0020.

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🔍 Key Concepts

• Identify whether R1, R2, and R3 in figure B are in series or parallel when the switch is closed • Use Ohm’s Law ( I = \frac{V}{R} ) with the total resistance of the circuit • Use the power formula ( P = VI ) or ( P = I^2 R ) for the entire circuit

💭 Think About

• Look at the path the current takes from the positive terminal of the source: does it have more than one path through the resistors, or only one? • Once you decide series or parallel, how do you combine the three resistor values (3 Ω, 4 Ω, 5 Ω) to get a single equivalent resistance? • After finding the circuit current, what is the total power used by ALL the resistors together?

✅ Before You Answer

• Be sure you have the correct total resistance for how the resistors are actually connected in figure B • Double‑check that you are using the applied voltage of 24 V across the equivalent resistance, not across each resistor individually (unless appropriate) • Confirm that your final power value matches one of the choices and has units of watts (W)

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Question 1 of 20

2 watts

12 watts

48 watts

288 watts

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Question 1 / 205eccefa3bacbc34ba4d47f34

Question 1 of 205eccefa3bacbc34ba4d47f34

Back

Question 1 of 20

5eccefa3bacbc34ba4d47f34

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