First Principles Fieldbook

First Principles Fieldbook

First Principles Fieldbook is an independent student-facing publication about circuit concepts and engineering reasoning. It uses clear definitions, checked arithmetic, and source-linked examples to connect classroom terms with the questions engineers ask.

Circuit Foundations

Plain-English explanations of voltage, current, resistance, and the relationships used in circuit analysis.

Design and Testing

Practical guides to requirements, evidence, verification, validation, and disciplined engineering decisions.