Q6. The wire loop PQRSP formed by joining two semicircular wires of radii R1 & R2 carries a current I as shown in the fig. The magnitude of magnetic field at the centre 'C' is
R2
R
SR
C
(a)(+)
(b)(+)
(c)()
(d)(-)

Question

Q6. The wire loop PQRSP formed by joining two semicircular wires of radii R1 & R2 carries a current I as shown in the fig. The magnitude of magnetic field at the centre 'C' is
R2
R
SR
C
(a)(+) 
(b)(+) 
(c)() 
(d)(-)

Accepted Answer

(μ₀I/4)(1/R₁ - 1/R₂)

Questions

Q6. The wire loop PQRSP formed by joining two semicircular wires of radii R1 & R2 carries a current I as shown in the fig. The magnitude of magnetic field at the centre 'C' is R2 R SR C (a)(+) (b)(+) (c)() (d)(-)

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