Public learning track
Wheatstone Bridges and Strain Gauge Instrumentation
11th Grade · Technology · UK A-Level
10 lessons
Goal
Analyse, balance, and design Wheatstone bridge networks for high-precision temperature and mechanical strain measurement.
Featured Diagrams
Calculating Unknown Resistances Using Balanced Bridge Circuits
10 lessons
0 of 10 done
- 1Calculating Unknown Resistances Using Balanced Bridge CircuitsUp nextStart
- 2Analysing the Out-of-Balance Output Voltage of a BridgePremiumNot started yet
- 3Strain Gauge Operation and Gauge Factor FundamentalsNot started yet
- 4Strain Gauge Quarter, Half, and Full Bridge ConditioningNot started yet
- 5Temperature Compensation Techniques in Bridge CircuitsNot started yet
- 6Thermistor-Based Differential Bridge CircuitsNot started yet
- 7Linearisation Techniques for Unbalanced Bridge MeasurementsNot started yet
- 8Bridge Calibration and Sensitivity Calculations for Load CellsNot started yet
- 9Interfacing Bridge Circuits to Operational AmplifiersNot started yet
- 10Synthesising Precision Strain and Temperature Measurement SystemsNot started yet
Standards Covered
- ELEC-6.7General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the use of bridge circuits with thermistors and with strain gauges]
- ELEC-6.2General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the interpretation and use of characteristic curves for the above devices, and their experimental determination
- ELEC-6.1General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the design and construction of analogue sensing systems using photosensitive devices, negative temperature coefficient (NTC) thermistors and switches
Curriculum Framework
11th Grade · Technology · UK A-Level
1
10 lessons
Analogue Input Transducers and Potential Divider Sensors
Design, analyse, and experimentally characterise analogue sensing sub-systems utilising NTC thermistors, light-dependent resistors, photodiodes, and switches.
2
10 lessons
Wheatstone Bridges and Strain Gauge Instrumentation
Analyse, balance, and design Wheatstone bridge networks for high-precision temperature and mechanical strain measurement.
3
10 lessons
Schmitt Inverters and Waveform Signal Conditioning
Utilise Schmitt inverters to eliminate noise, debounce mechanical contacts, reshape noisy analogue signals, and build relaxation oscillators.
4
10 lessons
Rotational Speed, Angular Position, and Gray Code Encoders
Implement slotted discs and encoded discs to measure rotational speed and angular position, comparing pure binary coding with Gray coding.
5
10 lessons
Output Transducers, Actuators, and Driver Interfacing
Design driver interfaces and protective circuitry for visual, audible, and electromechanical output devices including motors, solenoids, relays, servos, and displays.