A current of 3 A flows through the 2 Ω resistor shown in the circuit. The power dissipated in the 5 Ω resistor is: [Diagram: Image]
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A current of 3 A flows through the 2 Ω resistor shown in the circuit. The power dissipated in the 5 Ω resistor is: [Diagram: Image]

G1 Physics · Accepted Answer

Step 1: The 2 Ω path has known current 3 A; voltage across it is V = 3×2 = 6 V. Step 2: Compute current in the 5 Ω branch from the source diagram, using equal voltage for parallel sections. Step 3: Substitute into P = I²R; printed key is C = 1 W.