Question

The earth's magnetic field at a given point is 0.5 x 10 Wb-m. This field is to be
annulled by magnetic induction at the center of a circular conducting loop of
radius 5.0 cm. The current required to be flown in the loop is nearly

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Answer 1

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Answer 2

The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process. It is by far the most important source of energy for life on Earth.