Answer :

Final answer:

To calculate the magnetic field generated by a long straight wire at a point near it, you can use the equation B = (μ₀ * I) / (2πr), where B is the magnetic field strength, μ₀ is the permeability of free space, I is the current in the wire, and r is the distance between the point and the wire. The magnetic field at that point is approximately 0.000027 T or 27 μT (microtesla).

Explanation:

An electron passing through a point 2.93 cm from a long straight wire will experience a magnetic field generated by the current in the wire. The strength of the magnetic field can be calculated using the equation B = (μ₀ * I) / (2πr), where B is the magnetic field strength, μ₀ is the permeability of free space, I is the current in the wire, and r is the distance between the electron and the wire. Given the distance, you can calculate the magnetic field strength at that point.

Let's assume the current in the wire is 1 ampere and the distance is 2.93 cm (0.0293 m).

Using the equation, B = (4π * 10⁻⁷ T·m/A * 1 A) / (2π * 0.0293 m), the magnetic field at that point is approximately 0.000027 T or 27 μT (microtesla).

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