For the circuit illustrated, the $6.0\,\text{V}$ battery is assumed to have negligible internal resistance. The resistors $R_1$ and $R_2$, together with the voltmeter, each have a resistance of $100\,\text{k}\Omega$. What current flows in resistor $R_2$?
- A$20\,\mu\text{A}$
- B$30\,\mu\text{A}$
- C$40\,\mu\text{A}$
- D$60\,\mu\text{A}$