AP® Physics C: E & M

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Moderate

Current in Series

APPHEM-GVYVE1

Three resistors of value $2R$, $R$, and $4R$ are wired in series to a battery with a voltage $v$.

Derive an expression for the current on the resistor with a value of $R$.

A

$V/R$

B

$V/(7R)$

C

$(7V)/R$

D

$R/V$

E

$4R/V$