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What Is Ampere's law and its applications to infinitely long current carrying straight wire?

Ampere's law relates the magnetic field around a closed loop to the total current passing through the loop.

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Key Points to Remember in Ampere's law and its applications to infinitely long current carrying straight wire

For an infinitely long straight wire, the magnetic field is given by B = (μ₀/4π) * (2I/r).

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Ampere's law and its applications to infinitely long current carrying straight wire in NEET Physics: What to Focus On

This concept is often tested in NEET to assess understanding of magnetic fields generated by currents.