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Electric Circuits & Magnets
... In the eighteenth century, Oersted discovered that the indicator on a magnetic compass moved when the compass was placed near a wire carrying electric current. This was the first evidence showing that A. electricity is the same as magnetism. B. electric currents cause magnetic fields. C. magnets at ...
... In the eighteenth century, Oersted discovered that the indicator on a magnetic compass moved when the compass was placed near a wire carrying electric current. This was the first evidence showing that A. electricity is the same as magnetism. B. electric currents cause magnetic fields. C. magnets at ...
I. What are Auroras?
... • visual indications of the process that sends charged particles into space ...
... • visual indications of the process that sends charged particles into space ...
Sun note sheet - Lauer Science
... Sometimes these gases are ejected into space. Solar prominences _______________________ Relatively cool clouds of gas suspended above the sun Controlled by _____________________________ Violent eruptions called solar flares release huge amounts of X-rays. Solar flares are often associated wi ...
... Sometimes these gases are ejected into space. Solar prominences _______________________ Relatively cool clouds of gas suspended above the sun Controlled by _____________________________ Violent eruptions called solar flares release huge amounts of X-rays. Solar flares are often associated wi ...
lecture 2 PDF document
... The total electric flux through any closed surface equals the net charge inside that surface divided by εo This relates an electric field to the charge distribution that creates it Gauss’s law (magnetism): The total magnetic flux through any closed surface is zero This says the number of field lines ...
... The total electric flux through any closed surface equals the net charge inside that surface divided by εo This relates an electric field to the charge distribution that creates it Gauss’s law (magnetism): The total magnetic flux through any closed surface is zero This says the number of field lines ...
เนื้อหาของรายวิชา 2304104 GEN PHYS II
... Electric field Gauss’ law The electric potential Electric field and electric potential due to continuous charge distribution and dipole Calculating the field from the potential Capacitance and Dielectric Electric current and electromotive force Conductivity of material 2) Eletromagne ...
... Electric field Gauss’ law The electric potential Electric field and electric potential due to continuous charge distribution and dipole Calculating the field from the potential Capacitance and Dielectric Electric current and electromotive force Conductivity of material 2) Eletromagne ...
Lecture Notes Y F Chapter 29
... Direction of the Induced EMF’s and Currents In the previous problem, we found the direction of the induced current by noting that the force resulting from the induced current had to oppose the applied force. This observation can be generalized into: Lenz’s Law The direction of any magnetic induct ...
... Direction of the Induced EMF’s and Currents In the previous problem, we found the direction of the induced current by noting that the force resulting from the induced current had to oppose the applied force. This observation can be generalized into: Lenz’s Law The direction of any magnetic induct ...
Magnetic Fields - Rice University
... of wire on the right carries a current I in a uniform magnetic field. • No magnetic force acts on sides 1 & 3 – The wires are parallel to the field and L x B = ...
... of wire on the right carries a current I in a uniform magnetic field. • No magnetic force acts on sides 1 & 3 – The wires are parallel to the field and L x B = ...
Magnetism and electromagnetism worksheet
... (b) Beside the diagram draw another diagram to show how the tiny molecular magnets would be arranged when it was completely magnetised. ...
... (b) Beside the diagram draw another diagram to show how the tiny molecular magnets would be arranged when it was completely magnetised. ...
Magnetohydrodynamics
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Magnetohydrodynamics (MHD) (magneto fluid dynamics or hydromagnetics) is the study of the magnetic properties of electrically conducting fluids. Examples of such magneto-fluids include plasmas, liquid metals, and salt water or electrolytes. The word magnetohydrodynamics (MHD) is derived from magneto- meaning magnetic field, hydro- meaning water, and -dynamics meaning movement. The field of MHD was initiated by Hannes Alfvén, for which he received the Nobel Prize in Physics in 1970.The fundamental concept behind MHD is that magnetic fields can induce currents in a moving conductive fluid, which in turn polarizes the fluid and reciprocally changes the magnetic field itself. The set of equations that describe MHD are a combination of the Navier-Stokes equations of fluid dynamics and Maxwell's equations of electromagnetism. These differential equations must be solved simultaneously, either analytically or numerically.