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Ex 14-1 The magnetic field of a straight wire (from 13-5) Calculate the magnetic field created by a current flowing in a straight wire like in Fig. 14-3. Please use a vector potential. wj=jz -0 Fig. 14-3. A long cylindrical wire along the z-axis with a uniform current density i. 1
Ex 14-2 The magnetic field of a solenoid Calculate the magnetic field created by a current flowing in a solenoid like in Fig. 14-4. Please use a vector potential. 0906 B Fig. 14-4. A long solenoid with a surface current density J. 2