The relation between emitter efficiency (γ), transport factor (β) and current gain (α) is:

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KVS TGT WET (Work Experience Teacher) 23 Dec 2018 Official Paper
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  1. γ = α + β  
  2. γ = α - β  
  3. α = β·γ
  4. γ = α·β 

Answer (Detailed Solution Below)

Option 3 : α = β·γ
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Detailed Solution

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For a BJT, the product of emitter efficiency (γ) and base transport factor (β) is defined as:

α = β × γ

α = Large-signal current gain

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