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Magnetism PowerPoint
Magnetism PowerPoint

... surrounded by a magnetic field that is strongest near the North and South magnetic poles ...
Teacher`s Guide for Solar System, a Kingfisher Young Knowledge
Teacher`s Guide for Solar System, a Kingfisher Young Knowledge

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PSCI 1414 General Astronomy

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... magnetic field is threaded throughout the solar system, we call it the interplanetary magnetic field, that is the magnetic field found between (inter) the planets (planetary). Scientists have also noticed that the Sun goes through different cycles, just like moody people who are calm and quiet some ...
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Astrophysics
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How To Find the Induced EMF in a Loop Using Faraday`s Law and

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Physics: Magnets - John Madejski Academy
Physics: Magnets - John Madejski Academy

... Permanent or Induced Magnets Permanent magnets produce their own magnetic field. Induced magnets are made from magnetic materials (eg. iron, steel, nickel, cobalt). They turn into a magnet when held in a magnetic field. Magnetic materials will always be attracted to a magnet. ...
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Magnets - John Madejski Academy

... Permanent or Induced Magnets Permanent magnets produce their own magnetic field. Induced magnets are made from magnetic materials (eg. iron, steel, nickel, cobalt). They turn into a magnet when held in a magnetic field. Magnetic materials will always be attracted to a magnet. ...
Electric Circuits & Magnets
Electric Circuits & Magnets

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Geomagnetic storm



A geomagnetic storm is a temporary disturbance of the Earth's magnetosphere caused by a solar wind shock wave and/or cloud of magnetic field that interacts with the Earth's magnetic field. The increase in the solar wind pressure initially compresses the magnetosphere. The solar wind's magnetic field interacts with the Earth’s magnetic field and transfers an increased energy into the magnetosphere. Both interactions cause an increase in plasma movement through the magnetosphere (driven by increased electric fields inside the magnetosphere) and an increase in electric current in the magnetosphere and ionosphere.During the main phase of a geomagnetic storm, electric current in the magnetosphere creates a magnetic force that pushes out the boundary between the magnetosphere and the solar wind. The disturbance in the interplanetary medium that drives the storm may be due to a solar coronal mass ejection (CME) or a high speed stream (co-rotating interaction region or CIR) of the solar wind originating from a region of weak magnetic field on the Sun’s surface. The frequency of geomagnetic storms increases and decreases with the sunspot cycle. CME driven storms are more common during the maximum of the solar cycle, while CIR driven storms are more common during the minimum of the solar cycle.Several space weather phenomena tend to be associated with or are caused by a geomagnetic storm. These include: solar energetic Particle (SEP) events, geomagnetically induced currents (GIC), ionospheric disturbances that cause radio and radar scintillation, disruption of navigation by magnetic compass and auroral displays at much lower latitudes than normal. In 1989, a geomagnetic storm energized ground induced currents that disrupted electric power distribution throughout most of the province of Quebec and caused aurorae as far south as Texas.
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