For a common emitter amplifier, the audio signal voltage across the collector resistance 2 kΩ is 2 V . If the current amplification factor of the transistor is 200 , and the base resistance is 1 . 5 k

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For a common emitter amplifier, the audio signal voltage across the collector resistance 2 kΩ is 2 V . If the current amplification factor of the transistor is 200 , and the base resistance is 1 . 5 kΩ , the input signal voltage and base current is

TestHub · Accepted Answer

The collector current I C = β I b = 2 2 × 10 3 I C = 1 × 10 - 3 A The base current I b = 10 - 3 200 I b = 5 × 10 - 6 A A I b = 5 μ A and V B = I b R i = 5 μ A × 1.5 kΩ = 0 . 0075 V

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