A transistor is used in an amplifier circuit in common emitter mode. If the base current changes...

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A transistor is used in an amplifier circuit in common emitter mode. If the base current changes by \( 100 \mu \mathrm{A} \), it brings a change of \( 10 \mathrm{~mA} \) in collector current. If the load resistance is \( 2 \mathrm{k} \Omega \) and input resistance is \( 1 \mathrm{k} \Omega \) the value of power gain is \( x \times 10^{4} \). The value of \( x \) is
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