A p-n-p transistor is used in common emitter mode in an amplifier circuit. When base current is changed by an amount ∆Iв, then the collector current changes by 4 mA. If the current amplification factor is 60, then the value of ∆Iв is,

Options

(a) 15 μA
(b) 240 mA
(c) 66.6 μA
(d) 60 μA

Correct Answer:

66.6 μA

Explanation:

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