What are electromagnetic waves?
A. A wave consisting of two magnetic fields at right angles to each other
B. A wave consisting of an electric field and a magnetic field at right angles to each
other.
C. Alternating currents in the core of an electromagnet
D. A wave consisting of two electric fields at right angles to each other
A. A wave consisting of two magnetic fields at right angles to each other
B. A wave consisting of an electric field and a magnetic field at right angles to each
other.
C. Alternating currents in the core of an electromagnet
D. A wave consisting of two electric fields at right angles to each other