Mathematics · Analog Electronics
For a fixed-bias BJT circuit, VCC = 10 V and the base current IB = 30 μA. When a transistor with β = 100 is used, the collector-emitter voltage VCE is 5.5 V. If a change in temperature causes β to decrease to 50 while keeping IB = 30 μA and all other component values identical, what are the new values of collector current (IC) and collector-emitter voltage (VCE)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1IC = 3.0 mA and VCE = 5.50 V
- 2IC = 1.5 mA and VCE = 5.50 V
- 3IC = 3.0 mA and VCE = 7.75 V
- 4IC = 1.5 mA and VCE = 7.75 V✓
Correct answer
IC = 1.5 mA and VCE = 7.75 V
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