Two resistors, having resistances $R_1$ and $R_2$, are joined in parallel. The resistance $R_1$ is larger than the resistance $R_2$. What is the resistance of this parallel combination?
- Aless than either $R_1$ or $R_2$
- Bequal to $R_1$
- Cequal to $R_2$
- Dthe average of $R_1$ and $R_2$