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

Practice Questions

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

Questions & Step-by-step Solutions

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

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