Public learning track
Component Power Dissipation and Loss Calculations
11th Grade · Technology · UK A-Level
7 lessons
Goal
Calculate static and dynamic electrical power dissipation across standard passive components, transistors, diodes, and voltage regulators to ensure proper power ratings.
7 lessons
0 of 7 done
- 1Standard Resistor Power Ratings and Selection RulesUp nextStart
- 2Calculating Power Dissipation in Bipolar Junction TransistorsPremiumNot started yet
- 3Calculating Conduction Losses in Power MOSFETsNot started yet
- 4Dynamic Switching Losses in Semiconductor SwitchesNot started yet
- 5Power Dissipation in Linear Voltage RegulatorsNot started yet
- 6Zener Diode Power Rating and Surge DissipationNot started yet
- 7Forward Voltage Drop and Power Loss in Rectifier DiodesNot started yet
Standards Covered
- ELEC-5.1General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the relationship between energy, power and time: t P=VI = I2R=
- ELEC-5.2General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the power relationships: R
Curriculum Framework
11th Grade · Technology · UK A-Level
1
9 lessons
Fundamentals of Electrical Power and Energy in DC Circuits
Master foundational derivations and calculations for electrical work, energy, and steady-state power dissipation across basic resistive networks.
2
8 lessons
Applied Power Analysis, Measurement, and Dynamic Circuit Calculations
Apply power equations to real-world circuit scenarios, including measurement loading, time-varying signals, PCB thermal dissipation, and multi-branch power balance.
3
7 lessons
Component Power Dissipation and Loss Calculations
Calculate static and dynamic electrical power dissipation across standard passive components, transistors, diodes, and voltage regulators to ensure proper power ratings.
4
10 lessons
Thermal Design, Safe Operating Limits, and Component Protection
Model thermal resistance networks, size heatsinks and PCB copper pours, analyze Safe Operating Areas, and design thermal and overcurrent protection circuits.
5
8 lessons
Power Supplies, Battery Systems, and Energy Efficiency
Master the fundamental principles and calculations of electrical energy storage, power converter efficiency, and battery life estimation for electronic systems.
6
8 lessons
Power Dissipation, Load Drivers, and System Power Diagnostics
Analyse parasitic energy losses across drivers and inductive loads, build comprehensive system power budgets, and diagnose power drain faults.