# Complicated Circuit

If the voltage of the source is 5 V and the resistances are given by $$R_1 = 2 \Omega$$, $$R_2 =7 \Omega$$, $$R_6=\infty$$, $$R_4=4\Omega$$, $$R_7=R_5$$, $$R_3=0 \Omega$$, and $$R_7=\infty$$, then which of the following answers is true?

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