Kirchhoff's loop rule:
Consider Kirchhoff's loop rule in the left loop.
We're assuming the current is moving in a clockwise direction in this loop.
The current is moving from the left to right through resistor 7.0Ω and top to bottom through resistor 4.0Ω.
Now we have:
A) For the circuit shown in the figure, determine the current in the 7.0-Ω resistor.
B) For the circuit shown in the figure, determine the current in the 8.0-Ω resistor.
C) For the circuit shown in the figure, determine the current in the 4.0-Ω resistor.
Please show detailed work.
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