- #1
jhosamelly
- 128
- 0
Homework Statement
The magnetic field around a long, straight wire carrying a steady current I is given in spherical coordinates by the expression
[itex] \vec{B} = \frac{\mu_{o} I }{2∏ R} \hat{\phi}[/itex] ,
where [itex] \mu_{o} [/itex] is a constant and R is the perpendicular distance from the wire to the observation points. Find the expression for [itex]\vec{B}[/itex] in cartesian coordinates.
Homework Equations
The Attempt at a Solution
I know I need to get the partial derivative of this with respect to some variable.. but I don't know what that variable is. can someone help me please?