# 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.

First Principles Fieldbook publishes original, long-form guides about Engineering ideas, traced from definition to evidence.. Every article opens with a concise direct answer, is structured with clear headings and FAQs, and reflects mainstream expert consensus. Health-related content is educational and encourages professional consultation where appropriate.

## Circuit Foundations

- [Ohm's Law Explained: Voltage, Current, Resistance](https://cvaieee.org/ohms-law-explained/): Ohm's law relates voltage, current, and resistance with V = IR. Voltage is measured in volts, current in amperes, and resistance in ohms.

## Design and Testing

- [Verification vs Validation in Engineering](https://cvaieee.org/verification-vs-validation-engineering/): In engineering, verification asks whether a product meets its stated requirements; validation asks whether it fulfills its intended purpose in its…

## Full text for LLMs

- [llms-full.txt](https://cvaieee.org/llms-full.txt): every article as plain markdown in one file
- Each article is also available as markdown at https://cvaieee.org/<slug>.md

## Site

- [About](https://cvaieee.org/about/): editorial approach and standards
- [All articles](https://cvaieee.org/all/)
- [Contact](https://cvaieee.org/contact/)