Practice Problem on Kirchoff's Rules with 2 Loops
          A         6 Ohm        B         3 Ohm        C
          *--------/\/\/\--------*--------/\/\/\--------*
          |                      |                      |
          |                      |                      |
          |                      |                      |
          -   3 Volt             -   7 Volt             -   9 Volt
         ---                    ---                    ---
          |                      |                      |
          |                      |                      |
          /                      /                      /
          \                      \                      \
          /  5 Ohm               /  2 Ohm               /  2 Ohm 
          \                      \                      \
          /                      /                      /
          \                      \                      \
          |                      |                      |
          |                      |                      |
          |                      |                      |
          *--------/\/\/\--------*--------/\/\/\--------*
          F         0 Ohm        E         8 Ohm        D
What is the voltage difference VA - VF? Give your answer to two decimal places.

ANSWER = -4.68 volts