Around transmission lines there are generally electric and magnetic fields. If there ever were to be a situation where there is just a magnetic field near a tension line, there would need to be
A) Current without charge.
B) Charge without current
C) Charge and current
D) Nether charge nor current.

Question

Quizplus · Accepted Answer

Magnetic fields are generated by moving electric charges, i.e., current. Therefore, for there to be a magnetic field without an accompanying electric field, there must be current without a net charge.

Around Transmission Lines There Are Generally Electric and Magnetic Fields