The amplifier below has a variable gain control Rp, using a 0.47-ko potentiometer. Determine the minimum current gain of the unloaded amplifier. ... RB Ro CB Co Q1 HE Vc RB - 330 kohms Rc = 4.7 kohms 18 V %3 Rp RE - 1.2 kohms Beta - 120 RE CE A) 98 B) 102 163 (D 204

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