the relationship between inductance and number of turns

What is the relationship between the inductance of the common-mode inductor of the magnetic ring and the number of turns?
1, the relationship between inductance and number of turns

  The relationship between the inductance and the number of turns is squared, that is, the inductance is proportional to the square of the number of turns and is independent of the number of turns per volt of the common mode inductance of the magnetic ring.

  The number of turns per volt of the magnetic loop inductance is related to the size and quality of the iron core. The inductance of each turn is also related to the size and quality of the iron core. The inductance per turn of the transformer is small.

2. If the number of winding turns is increased without changing the core, it can provide more inductance and more power.

  In fact, this is also an advantage, but it also increases the internal resistance, which is a disadvantage. With the windings unchanged, the foil core has less magnetic eddy currents, lower losses, and can pass higher frequencies. However, the number of voids is large and the magnetic circuit is long. Many people pursue low internal resistance to get better high-frequency response, and pursue large inductance to get more current to increase the low-frequency sense. "When the heat is small, the internal resistance will become larger, the power will become smaller, and the power will become smaller. The more the number of primary turns, the larger the inductance will be. The greater the obstacle to communication, the excessive number of turns will inevitably lead to output. Power reduction and high current supply.

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