アンペールの法ほう則そくMeanings1expression, nounAmpère's lawphysicsPhysics term: the magnetic field produced by an electric current is proportional to the current's magnitude.アンペールの法ほう則そくは、電でん流りゅうと磁じ場ばの関かん係けいを表あらわす。Ampère's law describes the relationship between electric current and magnetic field.