[单选题]
97.27: Three resistors R1, R2, and R3 are q. ihhen-mke u :30d2kconnected in 7tm, ,q4e kywuseries to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 6.0 W of power.tqy , 4m,ke7uw What is the voltage across R3?