Chapter 29, Problem 41AP

(a)

To determine

To show: The magnetic field at the location is $\overrightarrow{\text{B}}=\frac{{\mu }_0}{4\pi }\frac{q\overrightarrow{\text{v}}\times \widehat{\text{r}}}{r^2}$

(b)

To determine

The magnitude of the magnetic field $1.00\text{mm}$ to the side of a proton.

(c)

To determine

The magnetic force on a second proton moving with the same speed in the opposite direction.

(d)

To determine

The electric force on a second proton.