Question

fill in the blanks 1. _____found out the magnetic effect of electric current.​

Answer 1

Answer:

Oersted's law is the law that a steady electric current creates a magnetic field around it. This was discovered on April 21, 1820, by Danish physicist Hans Christian Oersted(1777–1851), when he noticed that the needle of a compass next to a wire carrying current turned.

Answer 2

Answer:

Hans Christian Oersted

Explanation:

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