Final answer:
The factors affecting the strength of a magnetic field around a current-carrying wire are the amount of current, distance from the wire, and direction of the current.
Explanation:
The factors that affect the strength of a magnetic field around a current-carrying wire include:
- the amount of the current: The strength of the magnetic field is directly proportional to the current flowing through the wire.
- the distance from the wire: The magnetic field strength decreases as you move farther away from the wire.
- the direction of the current: The direction of the current influences the direction of the magnetic field lines.
These factors play a crucial role in determining the magnetic field strength around a current-carrying wire.
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