Figure 0.6. In this circuit the battery and all three resistors are drawn vertically. The battery on the left is labeled E and has it's negative terminal connected to the bottom line of the circuit. The positive terminal of the battery is connected to the top line of the circuit. A resistor labeled R1 has its lower end connected to the bottom line and its upper end connected to the top line. Another resistor R2 is similarly connected. A third resistor is similarly connected. At the lower left an arrow indicates that a current, I, is flowing upward into the negative, lower end, of the battery. This is conventional current. Another arrow indicates that the current, I is flowing out of the positive, upper, terminal of the battery. Another arrow indicates that another current I1 is flowing downward into the upper end of R1, Another arrow indicates that the current, I1 is flowing downward out of the lower end of R1. Similarly, I2 is flowing into the top and out of the bottom of R2. Similarly a current, I3, is flowing into the top and out of the bottom of R3. End verbal description.
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