In an \( N P N \) transistor circuit, the collector current is \( 10 \mathrm{~mA} \). If \( 90 \...

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In an \( N P N \) transistor circuit, the collector current is \( 10 \mathrm{~mA} \). If \( 90 \% \) of the electrons emitted reach the collector, the emitter current \( \left(i_{E}\right) \) and base current \( \left(i_{B}\right) \) are given by
(A) \( i_{E}=-1 \mathrm{~mA}, i_{B}=9 \mathrm{~mA} \)
(B) \( i_{E}=9 \mathrm{~mA}, i_{B}=-1 \mathrm{~mA} \)
(C) \( i_{E}=1 \mathrm{~mA}, i_{B}=11 \mathrm{~mA} \)
(D) \( i_{E}=11 \mathrm{~mA}, i_{B}=1 \mathrm{~mA} \)
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