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Suppose a wire of radius a. length l and resistance R is carrying a steady current I with a potential difference V across the length. The poynting vector on the surface of the wire is
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Suppose a wire of radius a. length land resistance R is carrying a ste...
Let's current flowing along the axis. Therefore, the electric field,


According to Ampere's law.


Therefore, the poynting vector.
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Suppose a wire of radius a. length land resistance R is carrying a steady current Iwith a potential difference V across the length. The poynting vector on the surface of the wire isa)b)c)d)Correct answer is option 'C'. Can you explain this answer?
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