Give two sources of EM waves in the Earth’s environment.
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Q: What is the electric-field amplitude at a distance of 20.0 cm from the source? Eypross vO
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Give two sources of EM waves in the Earth’s environment.
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- The intensity of a particular TV station’s signal is I =1.01 x 10^(-13) W/m^2 when it arrives at a 28-cm diameter satellite TV antenna. A) Calculate the total energy received by the antenna during 5.0 hours and 40 minutes of viewing this station’s programs. B)What is the amplitude of the field of the EM waves? (E field)How is the potential energy associated with an electromagnetic wave shared between the electric and magnetic fields? O there is no potential energy associated with an electromagnetic wave more of the energy is in the electric field it is equally shared between them O more of the energy is in the magnetic field9: Please help answer this ASAP
- The energy flow to the earth from sunlight is about 1.4 kW/m2.(a) Find the maximum values of the electric and magnetic fields for a sinusoidalwave of this intensity. (b) The distance from the earth to the sunis about 1.5 * 10^11 m. Find the total power radiated by the sun.Which one of the following statements is true of an electromagnetic (EM) wave? OEM waves carry electrical charge. EM waves consist of transverse oscillating electric and magnetic fields. OEM waves do not carry energy. EM waves travel at different speeds in a vacuum, depending on their frequency.At what conditions will EM waves be able to transmit through a conductor?
- What is correct about an electromagnetic wave in vacuum (or free space)? Group of answer choices The amplitude of the electric and magnetic fields are the same. The net energy in the electric and magnetic fields are the same. The energy densities in the electric and magnetic fields are the same. When in the vacuum, electromagnetic waves of higher frequencies travel faster than their lower frequency counterpart.#3: A certain 60.0 Hz AC power line radiates an electromagnetic wave having a maximum electric field strength of 13.0 kV/m. A) what is the wavelength of this very low frequency EM wave? B) What is its maximum magnetic field strength?