Author Question: The maximum value of the magnetic field in an electromagnetic wave is 4.7 T. What is the maximum ... (Read 57 times)

Charlie · **on:** Jul 29, 2018

The maximum value of the magnetic field in an electromagnetic wave is 4.7 T. What is the maximum value of the electric field?

A) 1.4 103 V/m
B) 1.4 103 N/C
C) 1.4 103 J/Cm
D) All of the answers given are correct.
E) None of the answers given is correct.

Question 2

Two point charges of magnitude 4.0 C and -4.0 C are situated along the x-axis at x1 = 2.0 m and x2 = -2.0 m, respectively. What is the electric potential energy of this system of charges?

A) -36 mJ
B) 36 mJ
C) 0 J
D) -72 mJ
E) 72 mJ