Tesla (T)

Magnetic field strength takes its unit from the force it produces, not from any property a magnet owns. Rearrange the sheet's $F_B = I\ell B\sin\theta$ with the wire perpendicular to the field:

The other printed force law, $F_B = qvB\sin\theta$, gives the same unit spelled differently, $1\ \text{N} \cdot \text{s}/(\text{C} \cdot \text{m})$, since a coulomb per second is an ampere.

One tesla is a great deal of field. It means a $1$ A current in a $1$ m length of perpendicular wire feels a whole newton. Real values sit far below:

The sheet's own source equation agrees. With $B = \mu_0 I/(2\pi r)$ and $\mu_0 = 4\pi \times 10^{-7}\ (\text{T} \cdot \text{m})/\text{A}$, a $1.0$ A wire produces $2.0 \times 10^{-5}$ T at $1.0$ cm, so magnetism answers usually land in microtesla or millitesla.

The weber is not on any AP sheet. A tesla is sometimes described as a weber per square metre, from $\Phi_B = \vec{B} \cdot \vec{A}$, but none of the four unit-symbol tables prints the weber. Give magnetic flux in $\text{T} \cdot \text{m}^2$ and it will always be recognised.

Tesla is printed on the AP Physics 2 and AP Physics C: Electricity and Magnetism unit-symbol tables.