Physics · Semiconductor Electronics
In a common-emitter transistor circuit, the base resistance is 500 kΩ and the collector resistance is 4 kΩ. If the input voltage Vi is 20 V, VBE = 0 and VCE = 0, the values of IB, IC and β are given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1IB = 20 μA, IC = 5 mA, β = 250
- 2IB = 40 μA, IC = 5 mA, β = 125✓
- 3IB = 25 μA, IC = 5 mA, β = 200
- 4IB = 40 μA, IC = 10 mA, β = 250
Correct answer
IB = 40 μA, IC = 5 mA, β = 125
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