Radio station KNAU’s effective radiative power (a measure of how much radio energy it delivers to...
Radio station KNAU’s effective radiative power (a measure of how much radio energy it delivers to its listening area) is 100 kW. It broadcasts at 88.7 MHz. Suppose KNAU had a spigot that poured out water molecules as quickly as its antenna pours out photons. How many liters/second of water would it produce?
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Radio station KNAU’s effective radiative power (a measure of how
much radio energy it delivers to...
Assume a 55 kW radio station emits Electromagnetic waves uniformly in all directions. How much energy...
Assume a 55 kW radio station emits Electromagnetic waves uniformly in all directions. How much energy per second crosses a 4.0 m^2 area 50 m from the transmitting antenna? __7____ W What is the rms magnitude of the E field at this point, assuming the station is operating at full power? _______ What is the voltage induced in a 1.0 m long vertical car antenna at this distance?
Public television station KQED in San Francisco broadcasts a sinusoidal radio signal at a power of...
Public television station KQED in San Francisco broadcasts a sinusoidal radio signal at a power of 316 kW. Assume that the wave spreads out uniformly into a hemisphere above the ground. A) At a home 5.50km away from the antenna, what average pressure does this wave exert on a totally reflecting surface? answer in PA units B)At a home 5.50km away from the antenna, what are the amplitudes of the electric and magnetic fields of the wave? answer in N/C,...
The FM radio station KAMB broadcasts from an antenna atop a 170 meter tall radio tower at a frequency of 90 MHz with a total radiated power of 40 kilowatts. Neighbors have complained about problems th...
The FM radio station KAMB broadcasts from an antenna atop a 170
meter tall radio tower at a frequency of 90 MHz with a total
radiated power of 40 kilowatts. Neighbors have complained about
problems they attribute to excessive radiation from the tower, but
the city engineer who measured the radiation level near the base of
the tower found it to be well below the accepted standard. You have
been hired by the HOA to assess the engineer's report. You...
Assume a 55 kW radio station emits Electromagnetic waves uniformly in all directions. How much energy per second crosses a 4.0 m^2 area 50 m from the transmitting antenna? __7____ W What is the rms magnitude of the E field at this point, assuming the station is operating at full power? _______ What is the voltage induced in a 1.0 m long vertical car antenna at this distance?
The FM radio station KAMB broadcasts from an antenna atop a 170
meter tall radio tower at a frequency of 90 MHz with a total
radiated power of 40 kilowatts. Neighbors have complained about
problems they attribute to excessive radiation from the tower, but
the city engineer who measured the radiation level near the base of
the tower found it to be well below the accepted standard. You have
been hired by the HOA to assess the engineer's report. You...
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