In an electric circuit, four equal resistors were in series, connected to a cell. These are now disconnected and connected back in parallel across the same cell. The ratio of current in the series circuit to the current in each resistor in the parallel circuit will be _______.
1
4 ∶ 1
2
1 ∶ 4
3
16 ∶ 1
4
1 ∶ 16