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What is the magnetic field at a distance r from a long straight wire carrying current I? (2020)

Practice Questions

1 question
Q1
What is the magnetic field at a distance r from a long straight wire carrying current I? (2020)
  1. μ₀I/(2πr)
  2. μ₀I/(4πr)
  3. μ₀I/(πr)
  4. μ₀I/(8πr)

Questions & Step-by-step Solutions

1 item
Q
Q: What is the magnetic field at a distance r from a long straight wire carrying current I? (2020)
Solution: The magnetic field around a long straight wire is given by B = (μ₀I)/(2πr).
Steps: 0

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