alleryWho developed the electromagnet into a commercial product around 1830?
AJoseph Henry
BHans Ørsted
CThales of Miletus
DDaniel Bernoulli
Answer & Solution
Correct answer: A. Joseph Henry
1. Sturgeon built the first iron-cored electromagnet in 1824.
2. Joseph Henry developed it further in 1830 to 1831.
3. He gave people strong magnetic fields for the first time.
_Source: Wikipedia, Magnet, Discovery and development_
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