Magnetic Effects of Current and Magnetism: JEE Main 2008 Physics question

JEE Main 2008 · Annual, Paper 1 · Q7671

JEE Main 2008Annual, Paper 1PhysicsMediumMagnetic Effects of Current and Magnetism165× since 2002

A horizontal overhead powerline is at height of

4m

from the ground and carries a current of

100A

from east to west. The magnetic field directly below it on the ground is

\left( {{\mu _0} = 4\pi \times {{10}^{ - 7}}\,\,Tm\,\,{A^{ - 1}}} \right)

JEE Main 2008 · Annual, Paper 1 · Q7671

JEE Main 2008Annual, Paper 1PhysicsMediumMagnetic Effects of Current and Magnetism165× since 2002

A horizontal overhead powerline is at height of

4m

from the ground and carries a current of

100A

from east to west. The magnetic field directly below it on the ground is

\left( {{\mu _0} = 4\pi \times {{10}^{ - 7}}\,\,Tm\,\,{A^{ - 1}}} \right)

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