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AP Physics 2
11.5 Compound Direct Current (DC) Circuits
BeginnerMCQMathematical22.2k
A single-loop rectangular circuit diagram. On the left vertical branch, an ideal DC battery is oriented vertically with its positive terminal on top, labeled \(\Delta V = 12 \text{ V}\). The top horizontal branch contains one resistor labeled \(R = 4.0 \text{ }\Omega\). The right vertical branch contains a second resistor labeled \(R = 4.0 \text{ }\Omega\). The bottom horizontal branch contains a third resistor labeled \(R = 4.0 \text{ }\Omega\). Plain wire connects all components into a closed rectangular loop. No other labels, lines, text, or components appear.
A circuit containing an ideal battery and three identical resistors connected in series.
An ideal battery with an electromotive force (emf) of \(\Delta V = 12 \text{ V}\) is connected in series with three identical resistors, each having a resistance of \(R = 4.0 \text{ }\Omega\), forming a single closed circuit loop as shown. What is the total electric current supplied by the battery?

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