The transfer ratio β of a transistor is 50 . The input resistance of the transistor when used in the common emitter configuration is 2 k Ω . The peak value of the collector AC current for an AC input

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The transfer ratio β of a transistor is 50 . The input resistance of the transistor when used in the common emitter configuration is 2 k Ω . The peak value of the collector AC current for an AC input voltage of 0.02 V peak is

TestHub · Accepted Answer

Given, β = 50 , R = 2 k Ω = 2 × 1 0 3 Ω , ​ Δ V b ​ = 0.02 V i c ​ = ? ​ Input current, i b ​ = R b ​ Δ V b ​ ​ = 2000 0.02 ​ = 1 0 − 5 A Also, current gain, β = i b ​ i c ​ ​ ∴ i c ​ ​ = β i b ​ = 50 × 1 0 − 5 A = 500 × 1 0 − 6 A = 500 μ A ​

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