3. (40 pts total) Assume: ẞ = 200 Assume BJT is active to start (for npn VBE = 0.7 V or for pnp V₂ = 0.7V) Solve for: • Voltages and currents in blue Check: • Is the BJT in active mode? +10.7 V 10 kf +0.7 V +12 V 5.6 kf 10 ko V₂ -2.7 V 2.4 k -10.7 V (a) -10 V (b) +10 V 15 k 15 k 10 kn w 10 k 5 kf -10 V -10 V (c) (d) 4. (15 pts) For the circuit below R₂ = 120k and ẞ = 125 Assume the transistor is active. Find VB, Vε, and Vc. Check to verify the transistor is active. RB ww w 1 ΚΩ