WJEC Eduqas GCSE (9-1) in Electronics (C490QS) revision

7 free interactive Electronics revision modules for Eduqas GCSE, matched to the WJEC Eduqas GCSE (9-1) in Electronics (C490QS) specification.

Revision modules

Circuit Symbols, Laws and Measurement Circuit concepts ⏱️ 20 min Documenting and Evaluating an Electronics Project Design-and-realisation process knowledge ⏱️ 20 min Electronic Systems: Sensing, Processing and Output Electronic systems and sub-systems ⏱️ 18 min Operational Amplifiers and Gain Operational amplifiers ⏱️ 20 min Resistors, the E24 Code and Voltage Dividers Resistive components in circuits ⏱️ 21 min Switching Circuits: MOSFETs, Transistors and Comparators Switching circuits ⏱️ 20 min The Design and Realisation Process Design-and-realisation process knowledge ⏱️ 20 min

Past papers for this specification

Eduqas GCSE Electronics past papers 28 official documents · 2019-2025

Question papers, mark schemes and examiner reports, free and straight from the exam board. Revise a topic here first, then mark yourself against a real paper.

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What the specification covers

C1 Component 1: Discovering Electronics (analogue and digital fundamentals)

1.1 Electronic systems and sub-systems
1.2 Circuit concepts
1.3 Resistive components in circuits
1.4 Switching circuits
1.5 Applications of diodes
1.6 Combinational logic systems

C2 Component 2: Application of Electronics

2.1 Operational amplifiers
2.2 Timing circuits
2.3 Sequential systems
2.4 Interfacing digital to analogue circuits
2.5 Control circuits (microcontrollers)

C3 Component 3: Extended system design and realisation (NEA knowledge)

3.1 Design-and-realisation process knowledge

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