Electromagnetism Forum

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I Ampere's Law For Static Magnetic Field
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A Voltage and current waves in a transmission line
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1K
I Guiding center motion of charged particles in EM field
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0
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693
B Designing a current sensor for 50mA up to several dozen Amps
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17
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I Power Loss Due to An Eddy Current
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3
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I Is the Poynting Vector Field the Only Factor in Energy Flow in Circuits?
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A Green's function for problems involving linear isotropic media
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3
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750
I How is Potential Difference Created across a Resistor?
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I Question about Coloumb's law notation and math in two different textbooks
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4
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889
I Faraday cage continuity question
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11
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A Why is "method of image current" valid in magnetostatics?
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4
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882
I Why are Maxwell's equations and the Lorentz force "so different"
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7
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I Rate of work done by F on charge carrier with average velocity v
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I Will insulation on electric power lines affect the flow of power?
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B Melting a nail with high currents
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810
B Coulumb's Law at 1 light year distance
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I Resulting magnetic field due to the passage of an AC current
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Water bending with comb: but where do the electrons go?
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35
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I Help working on this example exam please
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8
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873
I An attempt to understand the associated variable conventions in circuits
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842
I Is this example incorrect in Agawal's book on electric circuits?
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3
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869
I Why is there a freedom to choose gauge in gauge transformation?
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888
I Magnetic Field Intensity At the Inductor's Air Gap (+Fringing Flux)
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838
I Questions about cancelation of induced EMF and minimizing eddy currents
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1K
I Is the Rutherford model invalid due to a violation of Gauss's Law?
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6
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932
B What is the capacitance between two points on three concentric shells?
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3
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919
Magnetic field inside a solenoid
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High dielectric strength insulator
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I Magnetic field at a point along the solenoid's axis but outside the solenoid
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5
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I Calculation for proportional mechanical solenoid Force
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3
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A Why do we use covariant formulation in classical electrodynamics?
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6
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I Any free MHD software recomended?
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I Hall effect -- is it always applicable?
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7
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I Physics domain analysis of Voltage drop in series resistor
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I Is capacitor energy the electrostatic energy of the whole system?
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B How is surface charge accumulated?
2
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I Power flow outside a wire - how close?
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4
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I Electromagnetic Absorption in the Ocean
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967
I The vector math of relative motion of wire-loop & bar magnet
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I Dimensional analysis in the formula for gyration frequency
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I Do Electric field lines propagate by themselves away from a charge?
3
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73
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I Why is a Dielectric slab ejected from the capacitor when energized?
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10
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I Electric arc length in relation to voltage
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13
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I Stored magnetic energy of solenoid
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2
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955
I Help with Canonical Poisson Brackets & EM Field
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2
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866
B Basic Straight Line Permanent Magnet Accelerator
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I Oscillating charged particles and E.M waves
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I Is total flux linkage λ=dΨ*Ienclosed/I or λ=N*Ψ?
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2
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833
I Angular momentum associated with a current carrying circular wire
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9
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B Magnetic field and generator power output
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5
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I Do valence electrons determine electrical conductivity?
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Rubber soled slippers generating static electricity
2
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I Electric potential and potential difference
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7
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I Magnetism: Same Pole Repulsion & Heteropolar Attraction
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32
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B EMF Radiation detected from TV
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14
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Insights How to Measure Internal Resistance of a Battery
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12
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3K
I Can Conducting Current Through a Bar Magnet Cause Movement?
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16
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I Electric Field Shielding by Conducting Sheets
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3
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I The Mystery of Magnet Rotations: An Unanswered Question
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19
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I Faraday's Nested Sphere Experiment
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3
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I Calculating Fluke: Subtract A or R?
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1
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Build an Efficient Electrostatic Generator: Tips, Tricks, and Resources
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10
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13K
I Which does more work: gravitation or electromagnetism?
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4
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857
Calculating Magnetic Levitation Strength for a 1kg Object
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15
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15K
I Units of q in Electric Field Equation
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11
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I Origin of the Earth's magnetic field
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I Surface charge of neutral solids
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3
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A Can the Magnetocaloric effect be used for heating liquids?
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1
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743
I A math confusion in deriving the curl of magnetic field from Biot-Savart
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987
I Proof of Q=CV for arbitrarily shaped capacitors
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4K
B Magnetic Field & Particle Spin: Does It Matter?
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5
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I Question on the Lorentz force: Why is the force not F=q(v×B) = F=qv×qB
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8
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B What is the principle of a magnet?
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14
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I Can a pulse from a laser be treated as a Gaussian?
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996
I Grounded Means Zero Electric Potential: Exploring the Method of Images
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7
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B Confusing diagram of a rotating coil in a magnetic field
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4
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I Question about orbital and spin magnetic dipole
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2
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I 4-Current vector potential transformation under Gauge fixing
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5
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I Planck's Impedance: Exploring the Mystery of a Fictional Measurement System
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I Thomson Scattering -- elastic collisions conundrum
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2
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726
I Why do brushed DC motors only use commutators, and not slip rings?
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5
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1K
I Question regarding how to interpret dipole moment for bound charges
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1
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1K
I Question on Hall Effect and magnetic force
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2
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898
I A donut electromagnetic core comprises main section + movable section
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33
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I The implications of symmetry + uniqueness in electromagnetism
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1
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I Are voltage and current waves in transmission lines an artifice?
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6
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881
I Do equipotential lines fall on the equiprobability contours?
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772
I Meaning of "Static Electricity" and Physical Interpretation
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20
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I Behaviour of Magnetic Fields Underwater
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B Can lasers really cause explosions? Let's use a silly hypothetical to find out!
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12
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B The historical war of currents in Mains Power Distribution: AC vs DC
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7
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896
I Speed of Electricity in Plate Capacitor & Cable
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18
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I Electric field in a rotating frame
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1
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897
Electric field inside a conductor
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13
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3K
I Asking about something that I read on electromagnetic force
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1
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807
I Coil Around A Tube - Iron Cylinder Inside Tube - How Many Turns Needed?
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27
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A Why electromagnetic tensor (Faraday 2-form) is exact? (and not closed)
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3
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994
Is the mass of the electron constant?
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I Is there such a thing as an active diamagnet?
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2
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631
B Decompose the E field into conservative and non-conservative parts
2
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3K

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