Where is the magnetic field due to a straight current-carrying wire stronger or weaker?

The strength of the magnetic field around a straight current-carrying wire depends on the distance from the wire and the amount of current flowing through it. To understand where the magnetic field is stronger or weaker, let's consider the following points:

1. Magnetic Field Strength and Distance:
The magnetic field produced by a straight current-carrying wire follows the inverse square law, which means that the strength of the magnetic field decreases with an increase in distance from the wire. Therefore, the magnetic field is stronger closer to the wire and weaker farther away.

2. Magnetic Field Strength and Current:
The strength of the magnetic field is directly proportional to the amount of current flowing through the wire. A higher current will produce a stronger magnetic field, while a lower current will result in a weaker magnetic field.

3. Magnetic Field Direction:
The magnetic field around a straight current-carrying wire forms concentric circles perpendicular to the wire. The direction of the magnetic field can be determined using the right-hand rule, where if the thumb points in the direction of the current, the curled fingers indicate the direction of the magnetic field.

4. Magnetic Field Strength and Wire Configuration:
The strength of the magnetic field also depends on the configuration of the wire. If the wire is bent into a loop or coil, the magnetic field inside the loop/ coil becomes stronger and concentrated within the loop/ coil area.

Summary:
To summarize, the magnetic field due to a straight current-carrying wire is stronger closer to the wire and weaker farther away. The strength of the magnetic field is directly proportional to the amount of current flowing through the wire. Additionally, the configuration of the wire, such as a loop or coil, can also affect the strength of the magnetic field.