Moving Charges and Magnetism

Question: A circular loop of radius 0.0157m carries a current of 2.0 amp. The magnetic field at the centre of the loop is $({\mu _0} = 4\pi \times {10^{ - 7}}\,weber/amp - m)$

1) ${\rm{1}}{\rm{.57}} \times {\rm{10}}{{\rm{ }}^{{\rm{ - 5}}}}\,weber/{m^2}$

2) $8.0 \times {\rm{10}}{{\rm{ }}^{{\rm{ - 5}}}}\,weber/{m^2}$

3) $2.5 \times {\rm{10}}{{\rm{ }}^{{\rm{ - 5}}}}\,weber/{m^2}$

4) ${\rm{3}}.14 \times {\rm{10}}{{\rm{ }}^{{\rm{ - 5}}}}\,weber/{m^2}$

Solution:

Explanation: No Explanation

Biot-Savart's Law Amperes Law

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