jee-main 2019 Q22

jee-main · India · session2_10apr_shift2 Not Maths
The magnitude of the magnetic field at the centre of an equilateral triangular loop of side 1 m which is carrying a current of 10 A is: [Take $\mu _ { 0 } = 4 \pi \times 10 ^ { - 7 } \mathrm { NA } ^ { - 2 }$ ]
(1) $3 \mu \mathrm {~T}$
(2) $1 \mu \mathrm {~T}$
(3) $18 \mu \mathrm {~T}$
(4) $9 \mu \mathrm {~T}$ 
The magnitude of the magnetic field at the centre of an equilateral triangular loop of side 1 m which is carrying a current of 10 A is:\\
[Take $\mu _ { 0 } = 4 \pi \times 10 ^ { - 7 } \mathrm { NA } ^ { - 2 }$ ]\\
(1) $3 \mu \mathrm {~T}$\\
(2) $1 \mu \mathrm {~T}$\\
(3) $18 \mu \mathrm {~T}$\\
(4) $9 \mu \mathrm {~T}$
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