可か動どうコイル形がた

noun, noun which may take the genitive case particle 'no'

moving-coil type

Technical term used in electrical engineering for instruments like meters and speakers where a coil moves in a magnetic field.

• 可か動どうコイル形がたの電でん流りゅう計けいは、磁じ界かいの中なかでコイルが回かい転てんする仕し組くみです。

  A moving-coil ammeter works by a coil rotating in a magnetic field.