![]() When VC reduces the voltage across resistance RB also decreases that reduces the base current. ![]() If collector current increases, there will be large voltage loss about resistance RC due to that VC decreases.The negative feedback makes the offsetting the effect that stable the Q point.The collector voltage delivering bias to the base-emitter junction.In below figure base resistance RB is attached with the collector than the VCC as we have discussed it in base bias.By putting IE/βDC for base current we can observe that emitter current still depends on βDC. ![]()
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