+1500 pts
/3000
< Question 12 of 30 >
Macmillan Learning
At some instant and location, the electric field associated with an electromagnetic wave in vacuum has the strength 71.5 V/m.
Determine the following quantities at the exact same instant and location:
The magnetic field magnitude B.
B =
T
The total energy density u.
u =
J/m³
The power flow per unit area S.
S =
W/m²