1.

Magnetic field due to 0.1 A current flowing through a circular coil of radius 0.1 m and 1000 turns at the centre of the coil is                                               [CBSE PMT 1999]

A. \[2\times {{10}^{-1}}\,T\]
B. \[4.31\times {{10}^{-2}}\,T\]
C. \[6.28\times {{10}^{-4}}\,T\]
D. \[9.81\times {{10}^{-4}}\,T\]
Answer» D. \[9.81\times {{10}^{-4}}\,T\]


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