Instructions: Provide one answer for each question (i)-(v) below. Enter your answers into the Moodle form. R2 +0+ Vo 2. (50 marks) Consider the op-amp circuit shown on the right below. Assuming an ideal op-amp, i) What op-amp configuration is this? A. inverting amplifier B. non-inverting amplifier C. voltage follower D. differential amplifier RI ii) What is the expression for the input impedance? A. R1 + R2 B. R1 R2 R1+R2 C. R2/R1 D. R1 iii) What is the equation for the voltage gain? A. - 1 R2 R2 B. + 1 R1 C. R2 R1 R1 D. R2 Given R, = 1 kN and R2 = 10 k., what is the magnitude (absolute value) of the voltage gain? A. 1/10 B. 10 iv) C. D. -10 104 v) Assume that the resistor values are chosen such that the magnitude voltage gain is now 100. Given a DC input voltage of V = 10 mV, what is the output voltage V. ? A. 1 V 100 mV C. 10 mV D. 1 mV