The diagram depicts a circuit containing a break between points P and Q. Four lengths of metal wire, all made from the same material, are connected one after another between points P and Q in the circuit. The table lists the diameters and lengths of the wires. In which wire is the current greatest?
- Adiameter $0.10\ \text{mm}$, length $1.0\ \text{m}$
- Bdiameter $0.10\ \text{mm}$, length $2.0\ \text{m}$
- Cdiameter $0.20\ \text{mm}$, length $1.0\ \text{m}$
- Ddiameter $0.20\ \text{mm}$, length $2.0\ \text{m}$