NivaarExam Prep

23-Mechatronics-A2 Circuits and Electronics

Worked solutions to 2 past sittings (2018–2019), 22 questions. Pick a sitting, or start from a topic below.

Topics across the sittings

Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.

Questions by sitting

December 2019

  1. Question 1: Ladder network — equivalent resistance and branch voltage
  2. Question 2: Node-voltage equations with a dependent source
  3. Question 3: First-order RC switching transient
  4. Question 4: AC bridge — Thévenin equivalent and maximum power transfer
  5. Question 5: Superposition in an AC parallel network
  6. Question 6: Second-order series RLC switching, Laplace-domain solution
  7. Question 7: Part B — Electronics
  8. Question 8: Common-source MOSFET amplifier — bias design and gain
  9. Question 9: Slew-rate-limited unity-gain follower
  10. Question 10: CMOS inverter voltage transfer characteristic
  11. Question 11: Op-amp/diode circuits — output waveform sketches

December 2018

  1. Question 1: Bridge network — equivalent resistance, current, power
  2. Question 2: Superposition theorem
  3. Question 3: First-order RC switching transient
  4. Question 4: Thévenin equivalent with a dependent source, maximum power transfer
  5. Question 5: AC nodal analysis and power supplied by a source
  6. Question 6: Second-order RLC switching, Laplace-domain solution
  7. Question 7: Op-amp T-feedback network — output offset and small-signal gain
  8. Question 8: Full-wave diode-bridge rectifier with capacitive filter
  9. Question 9: Common-gate MOSFET amplifier — gain, input and output resistance
  10. Question 10: Enhancement-load NMOS inverter — voltage transfer characteristic
  11. Question 11: BJT bias-point analysis, five sub-circuits