3 ฤดูกาล
46 ตอน
Why Is It So? - Season 3 Episode 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.
- ปี: 2012
- ประเทศ: Australia
- ประเภท:
- สตูดิโอ: PBS
- คำสำคัญ:
- ผู้อำนวยการ:
- นักแสดง: Julius Sumner Miller
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