Determine the overall closed-loop gain of the system. а. 11 b. 22 c. 33 d. 44 V; =3 V + 10 k2 5 k2 10 k2 1 k2 +V, 10 k2 5 kQ 10 k2 V;=1V +

By inspection, the gain expression of the circuit shown below is (VA1= 00, VA2# 00) .,, Vino Select one: Qa Vcc Rc Q₂ Vout Re . . . { {rm2 gm1 gm2 Ob. -gm2Re O c, None of these O d. -gm1Rc

Choice the correct answer: Operational amplifier work in …. 1) DC only 2) AC only 3) both AC and DC

11. Design and sketch the schematic diagram for a non-inverting amplifier with a gain of 10 using a 741 op-amp. 12. Estimate the required values of the power supply rails for the op-amp circuit in 11) if the input voltage is a sinusoidal signal v(1) = sin(2mt) V. Sketch the output voltage waveform v.(t). 13. Suppose the positive rail in 12) was mistakenly grounded. Sketch the output voltage waveform in this case. 14. Estimate the energy stored in the 10 uF capacitor below if V1 = 5 v. 8 µF 10 µF 4 µF