If an emitter current is changed by \( 4 \mathrm{~mA} \), the \( \m...

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If an emitter current is changed by \( 4 \mathrm{~mA} \), the
\( \mathrm{P} \) collector current changes by \( 3.5 \mathrm{~mA} \). The value of

W \( \beta \) will be
(1) 7
(2) 0.875
(3) 0.5
(4) 3.5
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