Question

Q2 consider a me-tal rod moving uoth a cotouty of utomls pairatet to a urrent wire carrying a A, as shown in figure, Assume free spaca conci tions and the ci stance of the rod to the wire is 0-20 cm / and the length of the root isい40cm a dietermine magnetic iel intens te expressian as a functinf tne metal radial distance r) from the durrent- wire (ussume intinitely long auuet use Pmpere's las and cy 2. wire o determine induced eme aoe to b ddetermine induced eme po duifference btu the ends o the od due o he moian o the metal rod. ) Indi cate tne polanty of the induced mtioal eme

Answer 1

Guivam that ustng Biot Savant Jau -(リ dl Coss

eLuatm(リ in (R) (3) (Ψ Equation CORS ytTau yra (B) vottt Bmall cmunt at center

mduuced em 2 2.

induccd motional en twmg ught hand thumb nutc -Riold. then th force d magnucf n a and magnut fie hau dumau thu ductinthe Chars Poution 1 щ¡ll haue polittui Polarity.