Question 1
A sinusoidal electromagnetic wave has a peak electric field of

What is the intensity of the wave?

◦ 21 kW/m
2◦ 11 kW/m
2◦ 85 kW/m
2◦ 170 kW/m
2Question 2
A radio transmitter is operating at an average power of

and is radiating uniformly in all directions. What is the average intensity of the signal

from the transmitter?
◦ 4.97 μW/m
2◦ 0.00249 W/m
2◦ 0.00497 W/m
2◦ 2.49 μW/m
2