Electromagnetism Forum

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Resistance vs Current: I ∝ m/a^2
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Why diamagnetic material is not repelled
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Reverse Recovery Current of a diode
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Do Free Electrons Decrease in a Conductor with Applied Voltage?
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14
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Hydrogen atom stripped of an electron
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Can Ampere's law be applied to 3D loop?
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Electromagnet, current vs voltage, same?
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Help needed with concept of electricity, magnetism and EM
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Electromagnetic Waves through parallel plates
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Can hot objects become charged?
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4
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"Water circuit" equivalents of basic electric components
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15
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Maxwell's equations and conservation principles
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3
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883
Power, Resistance, Voltage, Current
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Magnetic Field in plane 90 degrees off Helmholtz coil axis?
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2
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Understanding Inductor Behavior in a Changing RL Circuit
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8
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Thermoelectric (copper and iron at 1000C)
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Parasitic capacitance influence on lead voltage
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3
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Nerve connection replace with electricity
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6
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Voltage on a electrostatic charged sphere
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3
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Would the reading in voltmeter change?
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9
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Charging a Capacitor: Puzzling Questions Answered
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19
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What area does the flux formula refer to?
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Hamiltonian of an electron under EM radiation
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Logical/mathematical proof for the identity of electron
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Electromagnetic induction of a wire in a complete circuit
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12
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Electric Potential and Electric Potential E changes
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5
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Electrons have to move -- why?
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12
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How does an electron decide when to de-excite?
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Electrical Conductivity of Copper, Gold And Silver
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What is the equivalent of Electric P.E. in Magnetism?
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10
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Why does refractivity not depend on density; Lorentz-Lorenz
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Dropping a magnet through the moon
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3
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EM wave from electrons V protons
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7
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Differences in Repelling Charges
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1
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986
Charging of resistor with resistance in parallel
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3
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Understanding Voltage in EM Circuits: A Student's Query
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3
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Why is the current the same at points A and B in a resistor?
2
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43
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Why Does the Kinetic Energy of Photoelectrons Rise Up to a Maximum?
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4
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If photons have no charge then how
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14
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Using magnetic fields to pickup radio freguencys
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3
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General Solution of a Poisson Equation of a magnetic array
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1
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Importance of the frequency of AC mains power lines
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8
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How to explain the overdetermination of Maxwell's equations
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21
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Calculating Current Flow in a Series Circuit with Identical Bulbs
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4
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Magnet strength between 2 magnets
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8
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Does electronegativity affect rate of entropy increase?
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1
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Which properties of waves are influenced by the medium?
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3
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Coulomb's Law and Electric Fields
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2
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Boundary conditions of electric field?
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1
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Current induced by magnet: maximize change in flux wrt time?
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6
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Magnetic field and electric field induce one another forever
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7
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Electromagnet to attract small iron pieces
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22
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Electricity. What kind of current should I use?
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14
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Is Electric Cell Efficiency Always 50% in Closed Circuits?
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1
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970
Electric field on the surface of charged conducting sphere?
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3
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1K
The Earth Harp is it a possible acoustic instrument?
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4
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2K
Average drift velocity of electron in conduct
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Finding forces/torques on a permanent magnet from a coil
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916
How are electrons accelerated in electron impact ionization?
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4
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Proton movement in an electric field
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Derivation of electromagnetic waves
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4
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I'm looking the paper first using the term Michel electrons
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2
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How does a magnetic field affect an electrical field
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3
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1K
How did Coulomb charge his spheres to verify Coulomb's law?
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5
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Electric field inside charged conducting sphere?
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3
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What does B.dl indicate in Ampere's Law
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6
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11K
Ampere's Law & Faraday's Law: Exploring Electromagnetic Wave
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7
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Defining Light and Electromagnetism in simple layman's terms
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11
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Lorentz transf. of a spherical wave in Euclidean space
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5
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What are Electric & Magnetic Fields composed of?
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2
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Why do electromagnetic fields exist where there is no matter
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7
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A question regarding isolated charged plates vs. capacitors
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9
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Electric Potential: Fact or Fiction?
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3
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Why doesn't electrode potential depend on amount of metal?
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8
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3K
EM wave interacting with refelcting surface
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5
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Working in a lab with magnetic fields: Bio-hazardous?
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11
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Stacked magnets with air gaps and the effect on magnetic flux
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1
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Can the force exerted by 2 magnets be used to turn a windmil
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4
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What happens to the electrons in a black hole?
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Electrons absorb exact energy photons so how is Ek possible
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Charge particle in magnetic field
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4
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Solving Projectile Motion in Fluid: How Far Will It Go?
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8
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What is the true nature of photons and their interaction with magnetic waves?
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23
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Disappearing terms in electrodynamics boundary conditions
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2
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How did Maxwell's theory predict that c is constant?
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12
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2K
Hi there, i have a question on maximum current inputs of IC
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6
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Understanding frequency and dynamics
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2
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Magnetic field rotation or not?
2
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47
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The physics behind an electric motor and induced emf?
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3
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2K
WHY can't electrons absorb photons of any energy?
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1
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Fluid that is a permanent magnet at room temperature?
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1
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969
What is the anode net charge on a typical AAA battery?
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2
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Clarifying the notion of Flux Linkage
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3
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Is current harmful when it doesn't flow out of you?
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33
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Internal resistance proportional to current?
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3
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Current in wire -movement- more current?
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5
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Current density uniformity electrode array
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1
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930
Electromagnetic boundary conditions for symmetric model
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1
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LED's classes of radinat intensity and total radiant flux
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4
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Electromagnetic filters (color filters)
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5
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