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AP Physics 2
11.5 Compound Direct Current (DC) Circuits
IntermediateMCQConceptual17.5k
A circuit schematic showing an ideal DC voltage source labeled V connected in parallel to two horizontal branches. The upper branch contains a single resistor labeled R_1 = 1000 \Omega. The lower branch contains a single resistor labeled R_2 = 2 \Omega. No other labels, lines, text, or axes appear.
Two parallel resistors connected to a voltage source.
A resistor with a large resistance \(R_1 = 1000\text{ }\Omega\) is connected in parallel with a resistor with a small resistance \(R_2 = 2\text{ }\Omega\) across an ideal battery. Which of the following claims best estimates the equivalent resistance \(R_{eq}\) of the parallel combination and provides a valid physical justification?

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