Physics · Magnetic Effects of Electric Current
Which of the following parameters does NOT typically affect the magnetic field strength at a point outside a long, straight, current-carrying ideal conducting wire?
- 1The cross-sectional diameter of the wire✓
- 2The magnetic permeability of the surrounding medium
- 3The magnitude of the current flowing through the wire
- 4The perpendicular distance from the wire
Correct answer
The cross-sectional diameter of the wire
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