Electricity and Magnetism · Problem 5.14

THE MAGNETIC FIELD — Edward Purcell & David Morin

Physics — E&M · forgetting-relativity

Problem

Forgetting relativity * Given β\beta, for what angle θ\theta does the field in Eq. (5.15) take on the value you would obtain if you forgot about relativity, namely Q/4πϵ0r2Q/4\pi\epsilon_0 r^2? What is θ\theta in the β≈1\beta \approx 1 and β≈0\beta \approx 0 limits?

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