A pair of resistors with resistances $30\,\Omega$ and $60\,\Omega$ are connected in parallel. The current through the $30\,\Omega$ resistor is $0.60\,\text{A}$. What potential difference is across the $60\,\Omega$ resistor?
- A$9.0\,\text{V}$
- B$18\,\text{V}$
- C$36\,\text{V}$
- D$54\,\text{V}$