A radio antenna broadcasts a 1.0 MHz radio wave with 29.0 kW of power. Assume that...

A radio antenna broadcasts a 1.0 MHz radio wave with 29.0 kW of power. Assume that the radiation is emitted uniformly in all directions.

What is the wave's intensity 25.0 km from the antenna?

The answer is 3.69×10⁻⁶ W/m^2

What is the electric field amplitude at this distance?

Expert Solution

genius_generous answered 8 months ago

An ultra-short-wave local radio-station with frequency f = 100 MHz has power of 1 kW und...

An ultra-short-wave local radio-station with frequency f = 100 MHz has power of 1 kW und is in the shape of a vertical dipol-antenna. What is the energy current density at 1km horizontal distance from the antenna and what is the maximum electrical field strength at that place?

An FM radio station broadcasts at a frequency of 101.3 MHz. What is the wavelength?

a. An FM radio station broadcasts at a frequency of 101.3 MHz. What is the wavelength? b. What is the frequency of a sound source that produces the same wavelength in 20°C air?

Public Radio station KXPR-FM in Sacramento broadcasts at 88.9 MHz. The radio waves pass between two...

Public Radio station KXPR-FM in Sacramento broadcasts at 88.9 MHz. The radio waves pass between two tall skyscrapers that are 15.0 m apart along their closest walls. 1) At what horizontal angles, relative to the original direction of the waves, will a distant antenna not receive any signal from this station? 2) If the maximum intensity is 4.00 W/m2 at the antenna, what is the intensity at ±4.00∘ from the center of the central maximum at the distant antenna? I=...

An FM radio station broadcasts electromagnetic radiation at a frequency of 104.6 MHz. Calculate the wavelength...

An FM radio station broadcasts electromagnetic radiation at a frequency of 104.6 MHz. Calculate the wavelength (in m) of this radiation. Report the answer with the correct number of significant figures

Two radio antennas A and B radiate in phase at a frequency of 15 MHz. Antenna...

Two radio antennas A and B radiate in phase at a frequency of 15 MHz. Antenna B is 115 m to the right of antenna A. Consider point Q along the line connecting the antennas, a horizontal distance x to the right of antenna A. A.)What is the smallest nonzero value of x for which there will be constructive interference at point Q? Express your answer in meters to two significant figures. B.) What is the smallest nonzero value of...

The emitting antenna of a 100-kW radio station radiates equally in all directions. Part A What...

The emitting antenna of a 100-kW radio station radiates equally in all directions. Part A What is the magnitude Emax 600 m from the antenna? Express your answer to two significant digits and include the appropriate units. Emax = Part B What is the magnitude Bmax 600 m from the antenna? Express your answer to two significant digits and include the appropriate units. Bmax = Part C For the distance of 600 m from the antenna, calculate the maximum potential...

Question