Ideaalikäämälle
Ideaalikäämälle is a Finnish term that translates to "ideal coil" in English. In physics and electrical engineering, an ideal coil is a theoretical construct representing a perfect inductor. Unlike a real-world inductor, an ideal coil possesses only inductance and no resistance or capacitance. This means that an ideal coil would store energy solely in its magnetic field without dissipating any energy as heat due to electrical resistance. Furthermore, it would have no parasitic capacitance, which can affect its behavior at high frequencies.
The concept of an ideal coil is crucial for simplifying circuit analysis, especially in introductory electromagnetism
In practice, no real coil is perfectly ideal. All physical coils have some amount of resistance in