Question

Задание VI,помогите пожалуйста

Answer 1

Общий: Does Alexander possessed extensive knowledge of electrical theory?
Альтернативный: Did Popov used his discovery to construct devices or project them?
Разделительный: Alexander introduced electricity in Russian Navy, didn`t he?
Специальный: How Popov called his device, which can recieve electromagnetic waves at long distance?