Give the relationship between α, β and γ of a transistor.
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The relationship between alpha and beta refers to a bipolar transistor. Alpha, [math] \alpha [/math], is the ratio of collector current to emitter current and is usually close to one. Beta, [math] \beta [/math], is the ratio of collector current to base current and is usually a large number (50 - 1000). Because emitter current is the sum of collector current and base current one can derive a relationship between alpha and beta:
[math] \beta = \alpha/(1-\alpha)[/math]
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