Guide

Thestrengthoftheelectromagnet
whenyouchangethenumberofbatteries
■Onebattery
(100-turncoil)
■ Twobatteries
(100-turncoil)
■
100-turncoil
(onebattery)
■
200-turncoil
(onebattery)
Weak Strong
Strengthoftheelectromagnet
Weak Strong
Strengthoftheelectromagnet
DoThestrengthoftheelectromagnet
inrelationtothenumberofcoilturns
10
Check the strength of an electromagnet