# 7. Circuits for 15 points: Five 20k12 resistors are placed in the following circuit with two...

###### Question:

7. Circuits for 15 points: Five 20k12 resistors are placed in the following circuit with two 100V DC power supplies. (a) Identify all series and parallel circuit equivalents that you can find. Calculate these equivalent resistance values. (b) Now you assemble a different circuit. You connect a 2022 resistor to the positive lead of a 20 V battery, and a 30 resistor to the positive lead of a 10 V battery. The other ends of both the 2012 and 30 12 resistors are both connected to a 10 S2 resistor. Finally, you connect the other end of the 102 resistor to the negative lead of both batteries. Draw this circuit, and label the batteries and resistors with their respective values. (c) Apply Kirchhoff's loop rule to write down one valid equations for your circuit. Apply Kirchhoffs junction rule to write down another valid equation for your circuit.

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