Physics, 26.09.2019 23:30 datgamer13

An 800 khz radio signal is detected at a point 2.1 km distant from a transmitter tower. the electric field amplitude of the signal at that point is 800 mv/m. assume that the signal power is radiated uniformly in all directions and that radio waves incident upon the ground are completely absorbed. the intensity of the radio signal at that point is closest to

Answers: 2

Show answers

Another question on Physics

Physics, 22.06.2019 05:10

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

Answers: 2

Answer

Physics, 22.06.2019 09:00

What occurs during a combustion reaction

Answers: 3

Answer

Physics, 22.06.2019 16:40

Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.

Answers: 3

Answer

Physics, 22.06.2019 16:50

Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1×105 wm-2k-1 and t∞ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =

Answers: 1

Answer

You know the right answer?

An 800 khz radio signal is detected at a point 2.1 km distant from a transmitter tower. the electric...

Questions