Question

The current in a straight conductor is along northeast direction. The force experienced by the
conductor due to the presence of earths horizontal component of magnetic field is​

Answer 1

Explanation:

The horizontal component of earth's magnetic field is 3×10−5Wb/m2. the magnetic flux linked with a coil of area 1 m2 and having 5 turns, whose plane is normal to the magnetic field

Its magnitude at the Earth's surface ranges from 25 to 65 microteslas (0.25 to 0.65 gauss). Approximately, it is thefield of a magnetic dipole currently tilted at an angle of about 11 degrees with respect to Earth's rotational axis, as if there were a bar magnet placed at that angle at the center of the Earth

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Answer 2

Explanation:

, F=I

l

×

B

,

F=IIBsinθ

The force per unit length is,

f=

l

F

=IBsinθ

When the current is flowing from east to west,

θ=90

o

, hence,

f=IB=1×3×10

−5

=3×10

−5

Nm

−1