Vee +12 V V C₁ R₁ 33 ΚΩ Re 12.0 ΚΩ Boc-200 R₂ RE 6.8 ks 680 2 Figure 1 12) Refer to Figure 1. The ac emitter resistance, re, is approximately A) 250 B) 80 C680 D) 13 13) Refer to Figure 1. To calculate the input resistance looking in at Vis you do not need to consider the value of A) Bac CRE B) RC D) the bias resistors 14) Refer to Figure 1. To calculate the input resistance looking in at Vis dc sources are replaced with A) a ground C) an open B) the ac emitter resistance Dy the bias resistors 12) 13) 14) 15) Refer to Figure 1. Looking in at Vin, the input resistance is approximately A) 5.6 k B) 14 k C) 39kQ 15) D) 1.8kQ 16) Refer to Figure 1. If a large capacitor is placed in parallel with RE, the input resistance will A) decrease B) increase 16) O remain the same