The transistor \(Q_{1}\) in Figure P17.26 has parameters \(\beta=25, \beta_{R}=0.5\), and \(V_{B E}\) (on) \(=V_{B C}\) (on) \(=0.7 \mathrm{~V}\). Find \(i_{B}, i_{C}\), and \(i_{E}\) for

(a) \(v_{I}=0\),

(b) \(v_{I}=\) \(0.8 \mathrm{~V}\), and

(c) \(v_{I}=3.6 \mathrm{~V}\).

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+- +5 V iB RB = 6 kQ Figure P17.26 + 0.8 V