Electro- magnetism questions | form six Physics

State the Biot-Savart law.

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In a hydrogen atom, an electron keeps moving around its nucleus with a constant speed of 2.18x10⁶ms^-1. Assuming  that the orbit is a circular of radius 5.3x10^-11m, determine the magnetic flux density produced at the site of the proton in the nucleus.

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State any three magnetic components of the earth`s magnetic field.

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The horizontal and vertical components of the earth`s magnetic field at a certain location are 2.7x10<sup>-5</sup>T and 2.0x10<sup>-5</sup>T respectively. Determine the earth`s magnetic field at the location and its angle of inclination I.

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State the following laws or theorems as applied in magnetism.

1. Biot-Savart law
2. Ampere`s theorem

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