3 الموسم
46 حلقة
Why Is It So? - Season 3 Episode 11 الحلقة 11
One does not produce electricity. It is abundant around us. Miller simply shows ways electricity can be seen or do work. Miller makes a voltaic cell, explaining that lead plates in storage batteries are not all lead. He also sheds light (literally) on electromagnetic induction.
- عام: 2012
- بلد: Australia
- النوع:
- ستوديو: PBS
- الكلمة الرئيسية:
- مخرج:
- المصبوب: Julius Sumner Miller