Translation of "Coil" in Japanese

When a coil is moved near to a wire with current flowing in it current flows in the coil as well.

電流が流れる電線にコイルを近づけると、コイルにも電気が流れます。

And look, you can see he's starting to coil back.

しっぽを巻き始めてるぞ

When they bring the head back like that and they coil,

頭を下げると危険だ