Vcc Ic 2.2 k2 RB + VCE = 7.2 V B = 20 µA %3D IIE = 4 mA 812 Kohm 100 Kohm

Q: how to solve this equations

A: Given here some equations and asked to solve those equations.

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Star Delta Conversion

Find the input resistance between points A and B of the following resistive network: