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TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
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A long straight wire carries a current of 18 A . The magnitude of the magnetic field at a point 12 cm from it is
A
$1.5 \times 10^{-5} \mathrm{~T}$
B
$2 \times 10^{-5} \mathrm{~T}$
C
$3 \times 10^{-5} \mathrm{~T}$
D
$1.8 \times 10^{-5} \mathrm{~T}$
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