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The value of total collector current in a CB circuit is (a) IC=? IE (b) IC=? IE+ICO (c) IC=? IE-ICO (d) IC=? IE

written 3.5 years ago by teamques10 ★ 67k

modified 2.6 years ago by pedsangini276 • 4.8k

analog electronics

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written 3.5 years ago by teamques10 ★ 67k

(a)IC = $\alpha$ $ IE 1.We know for CB Configuration, The current gain ratio is given by $\alpha$ 2. The current gain is the ratio of the outpur current to the input current 3.The output current for CB configuration is IC while input current is IE   4.Thus, we get $\alpha $= IC / IE    $\implies$ IC = $\alpha$ IE

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