Why are MRI’s so loud?

Question

Just had an MRI. Why are they so loud? Additionally. I could decipher about 12 different “tones/noises.” What does that translate to ?

In: Technology

Answer 1

Here is an opened machine working , showing WHY it is so loud…[https://www.youtube.com/watch?v=pLajmU4TQuI](https://www.youtube.com/watch?v=pLajmU4TQuI)