Прочитайте текст и выберите утверждение соответствующее содержанию текста Real telegraphs were possi...: ответ на тест 223251 - Английский язык
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Real telegraphs were possible until it was proved that electricity and magnetism were connected. It was found that a needle of a compass moved when it was put near а wirе with a current flowing through it. A compass needle is a magnet. If a wire carrying a current could move it, then the wire must be a magnet too.
Real telegraphs were possible until it was proved that electricity and magnetism were connected. It was found that a needle of a compass moved when it was put near а wirе with a current flowing through it. A compass needle is a magnet. If a wire carrying a current could move it, then the wire must be a magnet too.
Варианты ответов
- A wire carrying an electric current can move a compass needle because they are both magnets.
- A compass needle is electricity.
- It was discovered that electricity and magnetism aren’t connected.
- Real telegraphs were possible earlier than it was proved that telegraph and magnetism were connected.
Правильный ответ
Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2020 в 00:16
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:16
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:16