Author Question: Electric and magnetic fields combine to produce A) sound. B) light. C) both of these D) none ... (Read 28 times)

KWilfred · **on:** Jul 29, 2018

Electric and magnetic fields combine to produce

A) sound.
B) light.
C) both of these
D) none of the above

Question 2

The frequency of a generated electromagnetic wave matches the

A) field strength of the fields.
B) energy of the fields.
C) frequency of vibrating charges that produced it.
D) frequency of domains in the magnetic part of the wave.