A source with an e.m.f. of $9.0\text{ mV}$ and internal resistance of $6.0\,\Omega$ is connected across a galvanometer of 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$2.5\text{ mA}$