Physics 2 Quiz
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CIRCUITS
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A student builds a circuit with a 12 V ideal battery and three resistors: R1=4 ΩR_1 = 4\,\Omega, R2=6 ΩR_2 = 6\,\Omega, and R3=12 ΩR_3 = 12\,\Omega. The student connects R2R_2 and R3R_3 in parallel, and then connects this parallel combination in series with R1R_1.
The student then removes R3R_3 from the circuit entirely (opening that branch). Which of the following best describes the changes to the **voltage across R1R_1 and the current through R2R_2**?
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