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Unreasonable ResultsThe peak magnetic field strength in a residential microwave oven is $9.20 \times 10^{-5}$ T. (a) What is the intensity of the microwave? (b) What is unreasonable about this result? (c) What is wrong about the premise?

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Physics 102 Electricity and Magnetism

Chapter 24

Electromagnetic Waves

Cornell University

Rutgers, The State University of New Jersey

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the intensity your average intense do you for or microwave? Residential Micro. Having demanding field du Lum is equal Thio See, Time's a B square divided by two times off. We're not that semantic constant. So for the B value, which is a 9.25 to 0 times 10 to the power tentacle power minus five B and squaring it. We get here square on times the speed of light, which is three times 10 to power a tweeter divided by two times off. Maybe constantly choose one 1.25 times. Uh, first time stinted by word, I don't get it. Our minus six. So if we saw listen to five distraction than their edge intensity we get here is approximately approximately right. Approximately 1.3 times gentle power, four warts per meter, square meter, square. So this was but a but being asked, uh, what is unreasonable about this result? So the density is really high. So this the safe intensity for human is the 11 world for me to square where we ever invested here, is it Stint, The order off the four, which is unself so this is, uh not good in si part. See the premises. With the premise off, this question is wrong is that the man in the field is high. Hi. Uh, hi, Bea. I be end off the problem. Thank you.

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