X1011710976-00239-61468</DOCNO> Electromagnetic Fields & Magnetic Shielding Basic technical concepts about ELF Electromagnetic Fields Whenever electricity (i.e., batteries-DC or electric power-AC) is in use, electric and magnetic fields are produced.
(electricity; is; in use, electric and magnetic fields) (X1011710976-00239-61468</DOCNO> Electromagnetic Fields & Magnetic Shielding Basic technical concepts about ELF Electromagnetic Fields; are produced; )
electricity X1011710976-00239-61468</DOCNO> Electromagnetic Fields & Magnetic Shielding Basic technical concepts about ELF Electromagnetic Fields
is are produced
in use, electric and magnetic fields