A current I is flowing along a cylindrical conductor of radius a is made of material with conductivity o. Use Poynting's theorem to calculate ohmic losses in the segment of the conductor of length Land show that the result matches calculations based on Ohm's law P=1²R.
A current I is flowing along a cylindrical conductor of radius a is made of material with conductivity o. Use Poynting's theorem to calculate ohmic losses in the segment of the conductor of length Land show that the result matches calculations based on Ohm's law P=1²R.
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Transcribed Image Text:Problem #1
A current I is flowing along a cylindrical conductor of radius a is made of material with conductivity a.
Use Poynting's theorem to calculate ohmic losses in the segment of the conductor of length Land show
that the result matches calculations based on Ohm's law P=I'R.
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