Author Question: An electromagnetic wave with a peak electric field component of 7.5 102 N/C has what associated ... (Read 89 times)

michelleunicorn · **on:** Jul 28, 2018

An electromagnetic wave with a peak electric field component of 7.5 102 N/C has what associated peak magnetic field value? (e0 = 8.85 10-12 C2/Nm2, m0 = 4p 10-7 Tm/A, and c = 3.00 108 m/s)
a. 2.8 10-11 T
c. 3.6 1010 T
b. 2.5 106 T
d. 4.0 10-7 T

Question 2

When the standing wave pattern in a pipe is NANA, the pipe has which of the following set of properties? (N stands for node, A for antinode.)
a. It is open at both ends.
b. It is closed at both ends.
c. It is open at one end and closed at the other end. d. Any of the above could be true.