# magnetic_pressure

plasmapy.formulary.misc.magnetic_pressure(B: Unit('T'))

Calculate the magnetic pressure.

Aliases:

Parameters

B () – The magnetic field in units convertible to tesla.

Returns

p_B – The magnetic pressure in units in pascals (newtons per square meter).

Return type

Raises
Warns

– If units are not provided, SI units are assumed.

Notes

The magnetic pressure is given by:

$p_B = \frac{B^2}{2 μ_0}$

The motivation behind having two separate functions for magnetic pressure and magnetic energy density is that it allows greater insight into the physics that are being considered by the user and thus more readable code.

>>> from astropy import units as u