1. Ho latela setshwantsho se ka tlase, haeba radius ya kobeho ya terata e le 50 cm, fumana boholo ba matla a makenete bohareng ba kobeho (ntlheng ya 0, bona setshwantsho se ka tlase). (µ o = 4π.10 -7 Wb.A -1 m -1 )
Tse tsejoang:
Radius (r) = 50 cm = 0.5 m
Motlakase oa motlakase (I) = 1.5 Ampere
Ho kenella ha vacuum (µo ) = 4π.10 -7 Wb.A -1 m -1
Ho batloa: Boholo ba matla a makenete


Tse tsejoang:
Tse tsejoang:

