A) \[100\mu A\]
B) \[0.01mA\]
C) \[0.25mA\]
D) \[500\mu A\]
Correct Answer: D
Solution :
[d] \[\beta =50,\]\[{{R}_{i}}=1000\Omega ,\]\[{{V}_{i}}=0.01V\] \[\beta =\frac{{{i}_{c}}}{{{i}_{b}}}\] and \[ib=\frac{{{V}_{i}}}{{{R}_{i}}}=\frac{0.01}{{{10}^{3}}}={{10}^{-5}}A\] Hence \[{{i}_{c}}=50\times {{10}^{-5}}A=500\mu A.\]
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