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In the circuit of the given figure, assume that the diodes are ideal and the meter is an average indicating ammeter. The ammeter will read

1. $0.4 \sqrt{2} \mathrm{~A}$
2. $0.4 \mathrm{~A}$
3. $\frac{0.8}{\pi} \mathrm{A}$
4. $\frac{0.4}{\pi}$