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# Long description

This is a circuit diagram showing a 6 volt battery connected to three resistors in series. The resistors have the values 10 ohms, 30 ohms and 20 ohms in that order. Voltage probes show that the voltage before the first resistor is 6 volts; between the first and second resistors it is 5 volts; between the second and third resistors it is 2 volts; and after the third resistor it is 0 volts. Thus the potential difference across the battery is 6 volts, the potential difference across the first resistor is minus 1 volt, the potential difference across the second resistor is minus 3 volts, and the potential difference across the third resistor is minus 2 volts.