andreanelson36131 andreanelson36131
  • 20-02-2024
  • Physics
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A straight wire of diameter 0.5 mm carrying a current 1 A is replaced by another wire of 1 mm diameter. How is the strength of the magnetic field far away from it related to its earlier value?
a) It will be half
b) It will remain the same
c) It will be double
d) It will be four times

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