The schematic is wired as shown in the diagram below. The base current is set by the voltage from PV2, through a 100k resistor. The base voltage is measured to calculate the base current from Ib = (PV2-A2)/100K. The collector voltage is monitored by A1. The collector is connected to PV1, through a 1k resistor. For a selected base current, the voltage at PV1 is incremented in steps and at each step the collector voltage is measured. Corresponding collector current is calculated from i = (PV1-A1)/R. The transistor  used is 2N2222, having a current gain of around 200.

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Wiring Diagram Photograph of the experimental setup. Transistor is  2N2222

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Screen shot of transistor characteristic

Output characteristics of PNP transistor (2N3906) is shown below
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