Electro chemistry practice · Hard

The resistance of 0.5 $N$ solution of an electrolyte in a conductivity cell was found to be 45 ohms. The equivalent conductivity of the same solution is …..if the electrodes in the cell are 2.2 cm apart and have an area of 3.8 $\mathrm{c}{\mathrm{m}^2}$.

Using the SRP values given below, decide which of the statements I, II, III and IV are correct.
$\begin{array}{l} F{e^{2 + }} + 2{e^ - }\underset{{}}{\overset{{}}{\leftrightharpoons}}Fe\,;\,{E^\mathrm{o}} = - 0.44\,V\\ C{u^{ + 2}} + 2{e^ - }\underset{{}}{\overset{{}}{\leftrightharpoons}}Cu\,;\,{E^\mathrm{o}} = + 0.34\,V\\ A{g^ + } + {e^ - }\underset{{}}{\overset{{}}{\leftrightharpoons}}Ag\,;\,{E^\mathrm{o}} = + 0.80\,V \end{array}$
(I) Copper can displace iron from $FeS{O_4}$ solution
(II) Iron can displace copper from $CuS{O_4}$ solution
(III) Silver can displace copper from $CuS{O_4}$ solution
(IV) Iron can displace silver from $AgN{O_3}$ solution

When electric current is passed through acidified water for 1930 s, 1120mL of ${\mathrm{H}_2}$ gas is collected (at STP) at the cathode. What is the current passed in amperes?