Question

Question 5 If the receiver of a radio station at a distance of 1.8 km wants...

Question 5

If the receiver of a radio station at a distance of 1.8 km wants the electric field it registers to increase in amplitude by 50%, the transmitter power must increase by (which of the options is closest):

a) 50%

b) 125%

c) 22%

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
An airplane flying at a distance of 13 km from a radio transmitter receives a signal...
An airplane flying at a distance of 13 km from a radio transmitter receives a signal of intensity 9.2 μW/m2. What is the amplitude of the (a) electric and (b) magnetic component of the signal at the airplane? (c) If the transmitter radiates uniformly over a hemisphere, what is the transmission power?
The radio waves from your favorite radio station has a wavelength of 366m. The station broadcasts...
The radio waves from your favorite radio station has a wavelength of 366m. The station broadcasts with a total power of 40kW. The radio waves are hitting your car antenna which is 30km away from the station’s transmitter. a) What is the electric field strength of the radio waves at your car antenna? b) The radio receiver in your car uses a series RLC circuit to tune in the radio station. The circuit has a resistance of 0.50W, an inductance...
FM radio station KRTH in Los Angeles broadcasts on an assigned frequency of 101 MHz with...
FM radio station KRTH in Los Angeles broadcasts on an assigned frequency of 101 MHz with a power of 50,000 W. (a) What is the wavelength of the radio waves produced by this station? (b) Estimate the average intensity of the wave at a distance of 44.4 km from the radio transmitting antenna. Assume for the purpose of this estimate that the antenna radiates equally in all directions, so that the intensity is constant over a hemisphere centered on the...
A radio station transmits isotropically (that is to say in all directions) electromagnetic radiation at the...
A radio station transmits isotropically (that is to say in all directions) electromagnetic radiation at the frequency of 98.6 MHz. At a certain distance from the radial station the intensity of the wave is I = 0.291 W / m^2. a) What will be the intensity of the wave at a quarter of the distance from the radio station? b) What is the wavelength of the transmitted signal? If the antenna power is 8 MW. c) At what distance from...
Problem 1. The emitting antenna of a 100 kW radio station radiates equally in all directions....
Problem 1. The emitting antenna of a 100 kW radio station radiates equally in all directions. What are the magnitudes Emax and Bmax (a) 100 m from the antenna and (b) 50 km from the antenna? (c) For these two distances from the antenna, calculate the maximum potential difference caused between the ends of a receiving antenna that is 1.0 m long, assuming the antenna is aligned perfectly with the electric field of the radio wave
A 30-dB, right-circularly polarized antenna in a radio link radiates 5 W of power at 2...
A 30-dB, right-circularly polarized antenna in a radio link radiates 5 W of power at 2 GHz. The receiving antenna has an impedance mismatch at its terminals, which leads to a VSWR of 2. The receiving antenna is about 95% efficient and has a field pattern near the beam maximum given by E⃗ ? = (2?̂ + ??̂)??(?, ∅). The distance between the two antennas is 4000 km, and the receiving antenna is required to deliver 10-14 W to the...
(1) (A) If the power output of a 675 kHz radio station is 53.0 kW, how...
(1) (A) If the power output of a 675 kHz radio station is 53.0 kW, how many photons per second are produced? If the radio waves are broadcast uniformly in all directions, find the number of photons per second per square meter at a distance of 130 km. Assume no reflection from the ground or absorption by the air. (B)Photoelectrons from a material whose work function is 2.39 eV are ejected by 477 nm photons. Once ejected, how long does...
QUESTION 5 Determine which of the following statements is true about electric field lines in the...
QUESTION 5 Determine which of the following statements is true about electric field lines in the vicinity of two point charges of equal magnitude and opposite sign a. they are small according to the magnitude of the loads decrease b. does not depend on the magnitude of the loads c. indicate the relative magnitude of the electric field d. indicates the direction of the electric field e. is larger as the magnitude of the loads increases QUESTION 6 For a...
If the Fed wants to decrease the money supply, it will: Question 22 options: a) increase...
If the Fed wants to decrease the money supply, it will: Question 22 options: a) increase the rate of interest paid on reserves. b) lend money to banks. c) decrease the reserve ratio. d) buy government bonds. The Fed lends to banks: Question 23 options: a) as an attempt to limit the number of new loans extended by banks. b) on a regular basis as a way to increase the money supply. c) as a way of earning profits, which...
1. Mark the correct answer. Select one: a. The resistivity of a superconductor is infinite. b....
1. Mark the correct answer. Select one: a. The resistivity of a superconductor is infinite. b. The resistivity of a conductor increases as the temperature decreases. c. None of the other options is correct. d. The electric current is the rate of flow of electric charge, I=ΔQ/ΔtI=ΔQ/Δt. 2. Mark the correct statement. Select one: a. None of the other options is correct. b. A compass needle must be made out of ferromagnetic material. c. A compass needle need not be...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT