[单选题]
What is the force per meter on a straight wire ca- g30 gyvu*(8x p-eofnm *sehzrrying p):ba .ie5bv;lpj9e s 5.0 A when it is placed in a magnetic field of 0.020 T? The wire makes an an9v5p l;sibj: .e baep)gle of $27^{\circ}$ with respect to the magnetic field lines.
