Figure 1.5. On the left is a battery labeled E1. Its negative terminal is connected to the bottom line of the circuit. The top, positive, end is connected to the left end of a resistor, R1. The right end of R1 is connected to the top end of R2. The bottom end of R2 is connected to the bottom line. The junction of R1 and R2 connects to the left, negative, end of a battery, E2. The right, positive, end of E2 connects to the left end of R3. The right end of R3 connects to the top end of R4. The bottom of R4 connects to the bottom line. The junction of R3 and R4 connects to the left end of R5. The right end of R5 connects to the upper output terminal. The lower output terminal connects to the bottom line of the circuit. End verbal description.
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