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What is the frequency of an electromagnetic wave that has a wavelength of 4,000m?
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Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.
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Current from a charged capacitor lights a bulb. as time goes on the brightness of the
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What is the frequency of an electromagnetic wave that has a wavelength of 4,000m?...
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