Figure 1.10. There is a battery on the left labeled E1 = 12 v. The lower end, negative, connects to the bottom line of the circuit. The upper, positive, end connects to the left end of a resistor, R1 = 330 ohms. The right end of R1 connects to the left end of another resistor R3 = 100 ohms. The right end of R3 connects to the top, negative, end of a battery. The lower, positive end goes to the bottom line. The battery is labeled E2 = 6 volts. At the junction of R1 and R3 is an output terminal. Below it is another output terminal which is connected to the bottom line. These two terminals are labeled, load. This is where R2 used to be. End verbal Description.
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