An FM broadcast station has a transmitting antenna located 50 m above average terrain. How far away could the signal be received by a rooftop antenna 12 m above the ground? Ans: 43.44 km.

Q: For electromagnetic waves with each of these frequencies, find the wavelength in vacuum. In what…

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Q: Radio station KUTD broadcasts its radio signal at a frequency of 1.08E8 Hz from an antenna tower.…

A: Solution:Given:f = frequency of radio signal = 1.08 x 108 HzP = total power broadcasted by antenna =…

Q: Microwaves have an intensity of 1.79 W/m at a distance 1.00 meter from the transmitter. What will be…

A: Intensity is defined to be the power per unit area carried by a wave. I = PA

Q: A 75-kW radio station broadcasts its signal uniformly in all directions. (a) What is the average…

A: The intensity of the signal at a distance r from the antenna can be given as, Here, P is the power…

Q: An FM station has a 1000-ft tower. How far can its signal reach if the listeners have antennas on…

A: Given that, The height of the tower of the station h = 1000 ft…

Q: How high must a receiving antenna be to receive a signal directly from an over-the-horizon…

A: Antenna: It is a device that receives and radiates electromagnetic waves from one position to…

Q: The antenna for an AM radio station is a 77.5-m-high tower whose height is equal to one-quarter the…

A: We know that v =fλ in case of AM waves                        c=fλ so,                       f=cλ

Q: What is the wavelength of visible light that has a frequency of 2.4×10^14 Hz? Enter the result in…

A: Given data:  The visible light  Frequency (f) = 2.4×1014 Hz Required:  The wavelength (λ) in…

Q: Compute the wavelength of radio waves from (a) An AM station operating at a frequency of 1183.3 kHz.…

A: Given: (a) f = 1183.3 kHz  (b) f =91.4MHz

Q: The brightness of the Sun as observed from the Moon can be used to design a solar panel array at a…

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Q: Point-to-Point (PtP) terrestrial microwave link has the following parameters: Frequency = 928 MHz…

A: To calculate the minimum antenna heights above ground level (AGL) for the Point-to-Point (PtP)…

Q: Assume the mostly infrared radiation from a heat lamp acts like a continuous wave with wavelength…

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Q: The region of the EMR spectrum in which the ground-penetrating radar is classified is

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Q: Calculate the wavelengths of a 1.44-GHz cell phone signal. Express your answer in meters. Normal…

A: To calculate the wavelengths of a 1.44-GHz cell phone signal. Express your answer in meters. Normal…

Q: WTOP transmits radio waves at 103.5 MHz (M = 106). What is the wavelength of their waves?

A: Given that, frequency of radio wave is f = 103.5 MHz = 103.5×106 Hz We know that radio waves travel…

Q: Assume the radiation from a heat lamp is monochromatic, with a wavelength of 1.5 μm . If the lamp’s…

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Q: Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 1.0…

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Q: In order to maximize power, most broadcast antenna have a length that is 1/4 of the wavelength of…

A: The most efficient to the broad cast electromagnetic wave is                                       L…

Q: A 55-kW radio station broadcasts its signal uniformly in all directions. (a) What is the average…

A: Intensity is given by I=P/4πr²

Q: Suppose the maximum safe average intensity of microwaves for human exposure is taken to be 1.00…

A: Intensity, I = 1 W/m2Power, P = 10 WArea of a sphere, A = 4πr2Permittivity of free space, ε0 =…

Q: Problem 5:  Electromagnetic radiation from a 5.2-mW laser is concentrated on a 0.85-mm2 area.  Part…

A: Given data: Electromagnetic radiation from power P=5.2 mW=5.2×10-3 W The area A=0.85 mm2=0.85×10-6…

Q: Energy carried by an EM wave coming through the air can be used to light a bulb that is not…

A: Given : Maximum power (Po) = 1.05 W Angle (θ) = 71°

Q: Assume the mostly infrared radiation from a heat lamp acts like a continuous wave with wavelength…

A: The lamp’s power is, The specific heat is, The increase in the temperature is, The mass of the…

Q: A television is tuned to a station broadcasting at a frequency of2.04 * 108Hz. For best reception,…

A: Given data The frequency of the antenna is given as f = 2.04 x 108    The mathematical expression…

Q: A radar pulse is reflected by an object 50 km away from the receiver. How long would it take for the…

A: Given that:Distance between object and receiver, d=50 km

Q: Radio station KSON in San Diego broadcasts at both 1240 kHz (AM) and 97.3 MHz (FM). a) Which of…

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Q: Suppose a transmitter puts a 50-W signal into a directional antenna with a gain of 1.64. Determine…

A: Given data :             Power input , P = 50 W             Gain, G = 1.64             Distance, D =…

Q: alculato wavelength abono signal Exproce your newer in motore Normal format

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Q: Microwaves are produced with an intensity of 1.42 W/m which are polarized at an angle of -84.1…

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Q: The state-of-the-art digital air surveillance radar used in civil aviation emits its signal equally…

A: Average power P = 22.0 kW = 22000 W distance from the radar tower r = 7.76 km = 7760 m

Q: A radio transmitter broadcasts 4.5 kW of power to a 3.2 m diameter ceceiver.   Calculate the…

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Q: A transmitting antenna at the top of a tower has a height of 36 m and the height of the receiving…

A: Given: The height of the tower is 36 m. The height of the receiving antenna is 49 m. The radius of…

Q: Problem 4:   Consider the 100-MHz radio waves used in an MRI device.   Part (a)  What is the…

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Q: A 2.50-m-diameter university communications satellite dish receives TV signals that have a maximum…

A: a)

Q: A 3.00 m diameter university communications satellite dish receives TV signals that have a maximum…

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Q: By what percentage will the transmission range of a TV tower be affected when the height of the…

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