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AP Physics 2
11.5 Compound Direct Current (DC) Circuits
11.4 Electric Power
11.3 Resistance, Resistivity, and Ohm’s Law
IntermediateMCQMathematical22.7k
Circuit schematic with two resistors connected in series to a DC battery.
Circuit schematic with two resistors connected in series to a DC battery.
A circuit contains an ideal DC power supply with a potential difference of \(\Delta V = 12\text{ V}\) connected in series with two ohmic resistors, \(R_1 = 4.0\text{ }\Omega\) and \(R_2 = 8.0\text{ }\Omega\), as shown in the diagram. What are the equivalent resistance of the circuit and the rate of energy dissipated as thermal energy by resistor \(R_2\)?

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