Mathematics · Electronic Calculations
A common-emitter amplifier circuit has a base resistance RB = 250 kΩ connected to a VCC of 12V, and a collector resistance RC = 2 kΩ. If VBE = 0.7V, βDC = 100, and IC ≈ IE, determine the approximate Q-point coordinates (IC, VCE).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1IC = 4.90 mA, VCE = 2.36 V
- 2IC = 4.70 mA, VCE = 2.67 V
- 3IC = 4.52 mA, VCE = 2.96 V✓
- 4IC = 4.6 mA, VCE = 2.81 V
Correct answer
IC = 4.52 mA, VCE = 2.96 V
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