Using Kirchoff's junction rule at A:
i1 + i2 = i3
For the top loop counterclockwise:
4.0 - 16i1 + 18i2 - 12 = 0
Multiply by -1 and simplify
16i1 - 18i2 + 8 = 0 Eqn 1
For the lower loop counter-clockwise:
Use Kirchhoff's rules to find the current in each of the three resistors in the circuit shown. Also calculate the voltage drop across all three resistors.
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