It is the measurement of strength and direction of magnetic field and it is the unit of magnetic induction. One gauss is equal to 10-4 tesla

Gauss and Tesla:
The Gauss and Tesla are units of measurement used to quantify magnetic fields.

Gauss:
- Gauss is a unit of magnetic field strength named after the German mathematician and physicist Carl Friedrich Gauss.
- It is denoted by the symbol "G" or "Gauss".
- Gauss is commonly used in small-scale applications, such as measuring the strength of magnets or the Earth's magnetic field.
- The Earth's magnetic field is typically around 25 to 65 microteslas, which is equivalent to 250 to 650 gauss.

Tesla:
- Tesla is a unit of magnetic field strength named after the Serbian-American inventor and electrical engineer Nikola Tesla.
- It is denoted by the symbol "T" or "Tesla".
- Tesla is commonly used in larger-scale applications, such as measuring the strength of electromagnets or industrial magnetic fields.
- 1 Tesla is equal to 10,000 Gauss. Therefore, 1 Gauss is equivalent to 0.0001 Tesla.

Magnetic Field due to Electric Current:
When an electric current flows through a wire, it generates a magnetic field around the wire. The strength of this magnetic field depends on various factors, including the magnitude of the current and the distance from the wire.

Right-Hand Rule:
To determine the direction of the magnetic field around a current-carrying wire, you can use the right-hand rule. If you point your right thumb in the direction of the current flow, the curled fingers represent the direction of the magnetic field lines.

Magnetic Field Strength:
The magnetic field strength is directly proportional to the current flowing through the wire. The more current that flows, the stronger the magnetic field. The magnetic field strength also decreases as the distance from the wire increases.

Measuring Magnetic Fields:
Magnetic fields can be measured using devices called magnetometers. These instruments detect the strength and direction of magnetic fields and provide readings in units of Gauss or Tesla.

Conversion between Gauss and Tesla:
To convert between Gauss and Tesla, you can use the following conversion factor:
1 Tesla = 10,000 Gauss
1 Gauss = 0.0001 Tesla

Example:
If a magnet produces a magnetic field of 500 Gauss, the equivalent measurement in Tesla would be:
500 Gauss * 0.0001 Tesla/Gauss = 0.05 Tesla

In summary, Gauss and Tesla are units used to measure magnetic field strength. Gauss is commonly used for small-scale applications, while Tesla is used for larger-scale applications. 1 Tesla is equal to 10,000 Gauss, and the conversion between the two units can be done using the conversion factor. Magnetic fields generated by electric currents can be measured using magnetometers, and the magnetic field strength is directly proportional to the current flowing through the wire.