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The current gain for a transistor working as common-base amplifier is 0.96. If the emitter current is 7.2 mA, then the base current is

(a) 0.29mA

(b) 0.35mA

(c) 0.39mA

(d) 0.43mA

Amit Saxena , 12 Years ago
Grade upto college level
anser 1 Answers
Aditi Chauhan

Last Activity: 12 Years ago

(a)

Current gain (a) =0.96

        Ic = 0.96 × 7.2 mA = 6.91 mA

        Ic = Ic + Ib

     Ib = Ie – Ic = 7.2 - 6.91 = 0.29 mA

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