Figure 0.3, Network of Figure 0.2 with the voltage source replaced by a short. This circuit is very similar to figure 0.2. the battery on the left has been replaced by a line indicating a wire. one end of a resistor labeled R1 = 3 k ohms now connects to the common line. The other end of the resistor connects to one end of another resistor labeled R2 = 1 k ohm. The other end of R2 connects to the common line. The junction of R1 and R2 goes to one end of R3 = 500 ohms. The other end of R3 connects to the positive output terminal. The negative output terminal connects to the common line. This completes the verbal description.
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