A $9\; V$ battery with internal resistance of $0.5\; Ω$ is connected across an infinite network as shown in the figure. All ammeters $A_1, A_2, A_3$ and voltmeter $V$ are ideal.

Question

Choose correct statement.

$\begin{array}{1 1}(1)\; Reading\; of\; A_1 \;is\; 2\; A \\ (2)\; Reading\; of\; A_1\; is\; 18\; A \\ (3)\; Reading\; of\; V\; is\; 9\; V \\ (4)\; Reading\; of\; V\; is\; 7\; V \end{array}$