7.1 In the figure below, the resistances are \( R_{1}=6 \Omega, R_{2}=6 \Omega, R_{3}=2 \Omega, R_{4}=4 \Omega, R_{5}=4 \Omega, R_{6}=5 \Omega, R_{7}=8 \Omega \)
Find the equivalent resistance between points \( a \) and \( b \).
(1.25 points)
\( \Omega \) LATFX
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7.2 If the potential drop between \( a \) and \( b \) is 8 V , find the current in each resistor.