When electric current is passed through acidified water for $1930\;seconds,\;1120\;ml$ of $H_2$ gas is collected (at STP) at the cathode. What is the current passed in amperes?

Question

\[\begin {array} {1 1} (1)\;0.05 & \quad (2)\;0.50 \\ (3)\;5.0 & \quad (4)\;50 \end {array}\]