22-Mec-A5 Electrical and Electronics Engineering
Worked solutions to 13 past sittings (2013–2019), 104 questions. Pick a sitting, or start from a topic below.
- December 2019
- December 2018
- May 2018
- December 2017
- May 2017
- December 2016
- May 2016
- May 2015
- December 2014
- May 2014
- December 2013
- May 2013
- Undated paper
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.
- Power-Factor Correction (13 sittings): December 2019 Q8 · December 2018 Q8 · May 2018 Q8 · December 2017 Q8 · May 2017 Q8 · December 2016 Q8 · May 2016 Q8 · May 2015 Q8 · December 2014 Q8 · May 2014 Q8 · December 2013 Q4 · May 2013 Q4 · Undated paper Q8
- Maximum Power Transfer (11 sittings): December 2019 Q4 · December 2018 Q4 · May 2018 Q4 · December 2017 Q4 · May 2017 Q4 · December 2016 Q4 · May 2016 Q4 · May 2015 Q4 · December 2014 Q4 · May 2014 Q4 · Undated paper Q4
- Transformer Magnetic Circuit (11 sittings): December 2019 Q4 · December 2018 Q4 · May 2018 Q4 · December 2017 Q4 · May 2017 Q4 · December 2016 Q4 · May 2016 Q4 · May 2015 Q4 · December 2014 Q4 · May 2014 Q4 · Undated paper Q4
- Power (10 sittings): December 2019 Q8 · December 2018 Q8 · May 2018 Q3 · December 2017 Q8 · May 2017 Q3 · December 2016 Q3 · May 2016 Q3 · December 2014 Q8 · December 2013 Q4 · Undated paper Q3
- Bode Sketch (9 sittings): December 2019 Q5 · December 2018 Q5 · December 2017 Q5 · May 2017 Q5 · May 2016 Q5 · May 2015 Q5 · December 2014 Q5 · December 2013 Q5 · Undated paper Q5
- Op-Amp Frequency Response (9 sittings): December 2019 Q5 · December 2018 Q5 · December 2017 Q5 · May 2017 Q5 · May 2016 Q5 · May 2015 Q5 · December 2014 Q5 · December 2013 Q5 · Undated paper Q5
- Regional Behaviour (9 sittings): December 2019 Q5 · December 2018 Q5 · December 2017 Q5 · May 2017 Q5 · May 2016 Q5 · May 2015 Q5 · December 2014 Q5 · December 2013 Q5 · Undated paper Q5
- DC Test (8 sittings): May 2018 Q6 · May 2017 Q6 · May 2016 Q6 · December 2014 Q6 · May 2014 Q6 · December 2013 Q6 · May 2013 Q6 · Undated paper Q6
- Combinational Logic (7 sittings): May 2018 Q2 · May 2017 Q2 · May 2016 Q2 · May 2015 Q2 · May 2014 Q2 · May 2013 Q2 · Undated paper Q2
- Frequency Response (7 sittings): May 2018 Q7 · May 2017 Q7 · May 2016 Q7 · May 2015 Q7 · May 2014 Q7 · May 2013 Q7 · Undated paper Q7
- Industrial Load (7 sittings): May 2018 Q8 · May 2017 Q8 · May 2016 Q8 · May 2015 Q8 · May 2014 Q8 · May 2013 Q4 · Undated paper Q8
- Output Power (7 sittings): December 2019 Q3 · December 2018 Q3 · December 2017 Q3 · May 2015 Q3 · December 2014 Q3 · May 2014 Q3 · December 2013 Q3
- Step Response (7 sittings): May 2018 Q7 · May 2017 Q7 · May 2016 Q7 · May 2015 Q7 · May 2014 Q7 · May 2013 Q7 · Undated paper Q7
- Torque (7 sittings): December 2019 Q3 · December 2018 Q3 · December 2017 Q3 · May 2015 Q3 · December 2014 Q3 · May 2014 Q3 · December 2013 Q3
- Bias Design (6 sittings): December 2019 Q1 · December 2018 Q1 · December 2017 Q1 · December 2016 Q1 · May 2015 Q1 · May 2014 Q1
Questions by sitting
December 2019
- Question 1: Transistor Amplifier — Bias Design and Load Lines
- Question 2: Exclusive-OR Synthesis and Analysis of a Gated Logic Array
- Question 3: Homopolar Disc Machine — EMF, Torque and Output Power
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Op-Amp Frequency Response — Bode Sketch and Regional Behaviour
- Question 6: Induction Machines — Slip Relations and the Motor–Load Operating Point
- Question 7: First-Order RC Transient — Capacitor Voltage and Current
- Question 8: Parallel AC Network — Branch Currents, Power and Power-Factor Correction
December 2018
- Question 1: Transistor Amplifier — Bias Design and Load Lines
- Question 2: Exclusive-OR Synthesis and Analysis of a Gated Logic Array
- Question 3: Homopolar Disc Machine — EMF, Torque and Output Power
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Op-Amp Frequency Response — Bode Sketch and Regional Behaviour
- Question 6: Induction Machines — Slip Relations and the Motor–Load Operating Point
- Question 7: First-Order RC Transient — Capacitor Voltage and Current
- Question 8: Parallel AC Network — Branch Currents, Power and Power-Factor Correction
May 2018
- Question 1: Current Transfer Ratio of a Three-Transistor Mirror
- Question 2: Combinational Logic — NAND Network and a NOR-only EOR
- Question 3: Linear dc Machine on Rails — Force, Speed, Power and Efficiency
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Instrumentation Amplifier — Transfer Function by Superposition
- Question 6: DC Test and Slip Behaviour of an Induction Motor
- Question 7: First-Order RC Network — Step Response and Frequency Response
- Question 8: Industrial Load — Power-Factor Correction and Transmission Loss
December 2017
- Question 1: Transistor Amplifier — Bias Design and Load Lines
- Question 2: Exclusive-OR Synthesis and Analysis of a Gated Logic Array
- Question 3: Homopolar Disc Machine — EMF, Torque and Output Power
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Op-Amp Frequency Response — Bode Sketch and Regional Behaviour
- Question 6: Induction Machines — Slip Relations and the Motor–Load Operating Point
- Question 7: First-Order RC Transient — Capacitor Voltage and Current
- Question 8: Parallel AC Network — Branch Currents, Power and Power-Factor Correction
May 2017
- Question 1: Current Transfer Ratio of a Three-Transistor Mirror
- Question 2: Combinational Logic — NAND Network and a NOR-only EOR
- Question 3: Linear dc Machine on Rails — Force, Speed, Power and Efficiency
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Op-Amp Frequency Response — Bode Sketch and Regional Behaviour
- Question 6: DC Test and Slip Behaviour of an Induction Motor
- Question 7: First-Order RC Network — Step Response and Frequency Response
- Question 8: Industrial Load — Power-Factor Correction and Transmission Loss
December 2016
- Question 1: Transistor Amplifier — Bias Design and Load Lines
- Question 2: Exclusive-OR Synthesis and Analysis of a Gated Logic Array
- Question 3: Linear dc Machine on Rails — Force, Speed, Power and Efficiency
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Instrumentation Amplifier — Transfer Function by Superposition
- Question 6: Induction Machines — Slip Relations and the Motor–Load Operating Point
- Question 7: First-Order RC Transient — Capacitor Voltage and Current
- Question 8: Parallel AC Network — Branch Currents, Power and Power-Factor Correction
May 2016
- Question 1: Current Transfer Ratio of a Three-Transistor Mirror
- Question 2: Combinational Logic — NAND Network and a NOR-only EOR
- Question 3: Linear dc Machine on Rails — Force, Speed, Power and Efficiency
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Op-Amp Frequency Response — Bode Sketch and Regional Behaviour
- Question 6: DC Test and Slip Behaviour of an Induction Motor
- Question 7: First-Order RC Network — Step Response and Frequency Response
- Question 8: Industrial Load — Power-Factor Correction and Transmission Loss
May 2015
- Question 1: Transistor Amplifier — Bias Design and Load Lines
- Question 2: Combinational Logic — NAND Network and a NOR-only EOR
- Question 3: Spoke-Type dc Machine — emf, Torque and Output Power
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Op-Amp Frequency Response — Bode Sketch and Regional Behaviour
- Question 6: Induction Machines — Slip Relations and the Motor–Load Operating Point
- Question 7: First-Order RC Network — Step Response and Frequency Response
- Question 8: Industrial Load — Power-Factor Correction and Transmission Loss
December 2014
- Question 1: Current Transfer Ratio of a Three-Transistor Mirror
- Question 2: Exclusive-OR Synthesis and Analysis of a Gated Logic Array
- Question 3: Homopolar Disc Machine — emf, Torque and Output Power
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Op-Amp Frequency Response — Bode Sketch and Regional Behaviour
- Question 6: Induction Motor — DC Test, Slip, and Graphical Operating Point
- Question 7: First-Order RC Transient — Capacitor Voltage and Current
- Question 8: Parallel AC Network — Branch Currents, Power and Power-Factor Correction
May 2014
- Question 1: Transistor Amplifier — Bias Design and Load Lines
- Question 2: Combinational Logic — NAND Network and a NOR-only EOR
- Question 3: Homopolar Disc Machine — EMF, Torque and Output Power
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Instrumentation Amplifier — Transfer Function by Superposition
- Question 6: Induction Motor — DC Test, Slip Relations and Load Matching
- Question 7: First-Order RC Network — Step Response and Frequency Response
- Question 8: Industrial Load — Power-Factor Correction and Transmission Loss
December 2013
- Question 1: Current Transfer Ratio of a Three-Transistor Mirror
- Question 2: Exclusive-OR Synthesis and Analysis of a Gated Logic Array
- Question 3: Homopolar Disc Machine — emf, Torque and Output Power
- Question 4: Parallel AC Network — Branch Currents, Power and Power-Factor Correction
- Question 5: Op-Amp Frequency Response — Bode Sketch and Regional Behaviour
- Question 6: Induction Motor — DC Test, Slip, and Graphical Operating Point
- Question 7: First-Order RC Transient — Capacitor Voltage and Current
- Question 8: Magnetic Circuit — Induced Voltages, Input Impedance and Waveforms
May 2013
- Question 1: Current Transfer Ratio of a Three-Transistor Mirror
- Question 2: Combinational Logic and a NOR-Only Exclusive-OR
- Question 3: Homopolar (Disc-Rotor) DC Machine
- Question 4: Industrial Load and Power-Factor Correction
- Question 5: Transfer Function of a Three-Op-Amp Instrumentation Amplifier
- Question 6: DC Test and Slip Behaviour of an Induction Motor
- Question 7: RC Network — Step Response and Frequency Response
- Question 8: Magnetic Circuit — Induced Voltages and Input Impedance
Undated paper
- Question 1: Current Transfer Ratio of a Three-Transistor Mirror
- Question 2: Combinational Logic — NAND Network and a NOR-only EOR
- Question 3: Linear dc Machine on Rails — Force, Speed, Power and Efficiency
- Question 4: Transformer Magnetic Circuit and Maximum Power Transfer
- Question 5: Op-Amp Frequency Response — Bode Sketch and Regional Behaviour
- Question 6: DC Test and Slip Behaviour of an Induction Motor
- Question 7: First-Order RC Network — Step Response and Frequency Response
- Question 8: Industrial Load — Power-Factor Correction and Transmission Loss