5K10.71 Faraday’s law teaser

Faraday’s law teaser: Measure the voltage between two points at the end of an electromagnet through different paths. 

And read the article it comes from  AJP 37(2),221  and AJP 38(3),376

Input voltage about 50 VAC

Faraday's law teaser AJP 37(2) 221
Faraday’s law teaser

 

Location: H4-4