The factors affecting the strength of a magnetic field in and around a current-carrying wire are :
- The type of metal of the wire,
- The amount of the current
- The temperature of the wire.
Explanation:
The strength of a magnetic field around a current carrying wire can be affected by the factors listed above because ;
Type of metal used in constructing the current carrying wire plays a major role in the magnetism of the magnetic field when placed close the wire.
The current flowing through the wire is directly proportional to the magnetic field. therefore an increase in the volume of current will result to an increase in the strength of the magnetic field. vice versa
also the temperature of the wire will have a direct effect on the strength of the magnetic field
conclusion :
Hence the factors that will affect the strength of the magnetic field are
The type of metal of the wire,
The amount of the current
The temperature of the wire.
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