A source with e.m.f. of $9.0\,\text{mV}$ and internal resistance $6.0\,\Omega$ is connected across a galvanometer with resistance $30\,\Omega$. What current flows through the galvanometer?
- A$250\,\mu\text{A}$
- B$300\,\mu\text{A}$
- C$1.5\,\text{mA}$
- D$2.5\,\text{mA}$