A d.c. power supply of $10\,\text{V}$ is connected across a resistor. The current through the resistor is $0.050\,\text{A}$. What is the resistance of the resistor?
- A$0.0050\,\Omega$
- B$0.50\,\Omega$
- C$2.0\,\Omega$
- D$200\,\Omega$
Physics 0625 · IGCSE · Electrical quantities