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The Earth's magnetic flux density is about 0.04 mT (in air) on the northern hemisphere. In southern states, sunlight has a power density of about 2 kW/m?. (a) Calculate the electric and magnetic field strength due to solar EM radiation (electromagnetic radiation). Give the magnetic flux density associated with sunlight. (b) How does the magnetic flux density of the Earth's magnetic field compare with the magnetic flux density associated with solar radiation? (c) Let us assume, for the sake of argument, that the magnetic flux density of solar radiation would be greater than the Earth's magnetic flux density. Would then the directions provided by a magnetic compass become unreliable?

The Earth's magnetic flux density is about 0.04 mT (in air) on the northern hemisphere. In southern states, sunlight has a power density of about 2 kW/m?. (a) Calculate the electric and magnetic field strength due to solar EM radiation (electromagnetic radiation). Give the magnetic flux density associated with sunlight. (b) How does the magnetic flux density of the Earth's magnetic field compare with the magnetic flux density associated with solar radiation? (c) Let us assume, for the sake of argument, that the magnetic flux density of solar radiation would be greater than the Earth's magnetic flux density. Would then the directions provided by a magnetic compass become unreliable?

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The Earth's magnetic flux density is about 0.04 mT (in air) on the northern hemisphere. In southern states, sunlight has a power density of about 2 kW/m?. (a) Calculate the electric and magnetic field strength due to solar EM radiation (electromagnetic radiation). Give the magnetic flux density associated with sunlight. (b) How does the magnetic flux density of the Earth's magnetic field compare with the magnetic flux density associated with solar radiation? (c) Let us assume, for the sake of argument, that the magnetic flux density of solar radiation would be greater than the Earth's magnetic flux density. Would then the directions provided by a magnetic compass become unreliable?
Transcribed Image Text:The Earth's magnetic flux density is about 0.04 mT (in air) on the northern hemisphere. In southern states, sunlight has a power density of about 2 kW/m?. (a) Calculate the electric and magnetic field strength due to solar EM radiation (electromagnetic radiation). Give the magnetic flux density associated with sunlight. (b) How does the magnetic flux density of the Earth's magnetic field compare with the magnetic flux density associated with solar radiation? (c) Let us assume, for the sake of argument, that the magnetic flux density of solar radiation would be greater than the Earth's magnetic flux density. Would then the directions provided by a magnetic compass become unreliable?
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