Dakilin Ampere ta fi siffar da hukuma mai yawa a fannin electromagnetism wanda ya latsa alaka da sauki a kan tashar magana da karamin kwarewa da ke tsara a kan tashar. Ana sunan da suka bai da shi a cikin shekarun 19 na farko, kuma ana sunan da shi bayan André-Marie Ampère, wanda ya yi aiki a cikin hukumar.
Hukuma ta Ampere zai iya bayyana da matematika a matsayin:
∮B⋅ds = µ0Ienc
da:
∮B⋅ds – Integral din sauki (B) a kan darasi na biyu (ds)
µ0 – Permeability of free space, a constant value equal to 4π x 10-7 N/A2
Ienc – Jumla da karamin kwarewa da ke tsara a kan darasi na biyu
A cikin kalmar mafi yawan takamfa, hukuma ta Ampere ta ce sauki a kan tashar magana ta shahara da karamin kwarewa da ke tsara a kan tashar. Wannan yana nufin cewa idan karamin kwarewa da ke tsara a kan tashar yana ɗauke, sauki a kan tashar zai ɗauke kuma.
Hukuma ta Ampere ta fi siffar da hukuma mai yawa wanda ake amfani da ita don kula da sauki da karamin kwarewa da ke tsara, kuma don fahimtar kyauku da abubuwan electromagnetism. Ana amfani da ita tare da wasu hukuma mafi girma, kamar hukuma ta Faraday da electromagnetic induction, don fahimtar alaka da karamin kwarewa da sauki.
Daga International System of Units (SI), wadanda suke amfani da newtons per ampere squared ko henries per meter a cikin sisteminsu.
Za a iya kula da magnetic induction da wire mai tsawon da ke tsara karamin kwarewa da ke tsara.
Kula da maƙaranta da magnetic field da ke cikin toroid.
Kula da magnetic field da ke gudanar da conducting cylinder mai tsawon da ke tsara karamin kwarewa.
Kula da zaɓu da magnetic field da ke cikin conductor.
Bayyana inter-current forces.
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