A CE equivalent amplifier circuit shows an R1 of 16 k? and an R2 of 5.6 k? in parallel from the transistor's base to ground. The transistor's ac beta (hfe) is 220 and its ac emitter resistance (re) is 30 ?. The transistor's input impedance is
A) 7.3 k? B) 16 k? C) 2.55 k? D) 5.6 k?
C
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