A 3- $\Omega$ And a 15- $\Omega$ Resistor Are Wired in Parallel and the Combination Is Wired

Multiple Choice

A 3- $\Omega$ and a 1.5- $\Omega$ resistor are wired in parallel and the combination is wired in series to a 4- $\Omega$ resistor and a 10-V emf device.The potential difference across the 3- $\Omega$ resistor is:

A) 2.0 V
B) 6.0 V
C) 8.0 V
D) 10 V
E) 12 V