Q: Is the 5th edition significantly better than the 4th? A: The 5th edition (published 1994) includes updated SI conventions, more diagrams, and corrected problem sets. However, the physical laws haven’t changed. A 4th edition PDF is almost as good. The main difference is in the order of chapters (AC circuits moved later).
Q: Can I use Duffin to prepare for the GRE Physics subject test? A: Yes, but supplement with a specialized GRE prep book. Duffin covers 80% of the electromagnetism on the GRE but lacks some of the trick questions about LC oscillations and radiation resistance. electricity and magnetism w j duffin pdf
Q: Does the PDF include solutions to problems? A: No. Official solutions guides were produced for instructors only. You can find student-created solution manuals online for selected problems, but working through difficulties is part of the learning. Q: Is the 5th edition significantly better than the 4th
Q: Is there a solutions manual PDF in circulation? A: Unofficially, yes, but beware of errors. Many “Duffin solutions” online are crowd-sourced and contain algebra mistakes. Use them to check your final answer, not to copy. If the PDF feels dense, pair it with
If the PDF feels dense, pair it with free resources:
Downloading the PDF is only the first step. Here is a study strategy to get the most from Duffin’s text.