Q.

Match the Column – I with Column – II:  [2023]

Choose the correct answer from the options given below:

1 A – I; B – III; C – IV; D – II  
2 A – III; B – IV; C – I; D – II  
3 A – II; B – I; C – IV; D – III  
4 A – III; B – I; C – IV; D – II  

Ans.

(4)

A→B0=μ04πir⊙+μ0i2r⊗+μ04πir⊙

              =μ02π ir⊙+μ0i2r⊗

B0=μ0i2πr(π-1)⊗

B→B0=μ04πir⊙+μ04πirπ⊙+μ04πirπ⊙

            =(2μ04πir+μ04πirπ)⊙

B0=μ0i4πr(2+π)⊙

C→B0=μ04πir⊗+μ04πirπ⊗+0

B0=μ04πir(1+π)⊗

D→B0=μ04πirπ=μ04πir⊙

A-III;  B-I;  C-IV;  D-II