Electromagnetism Forum

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Electromagnetic wave equation in Einstein Notation
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2K
Use of tensors for dielectric permittivity and magnetic permeability
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Maxwell Stress Tensor in the absence of a magnetic field
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How do we pick where to set electric potential equal to zero?
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Why is there a voltage drop across an impedance?
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The Volta Pille - how COULD it work
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Current in superconductors when a voltage is applied.
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Calculating the magnetic field in solenoid
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How to wire given resistors to yield a total resistance?
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15
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Two wires with current - would this be correct?
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6
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How does positive charge spread out in conductors?
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3
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Faraday cage (hollow conductors)
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4
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Electrical Resistance of a Sphere?
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38
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Projectile motion, WITH ari resistance
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22
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Do I Genghis Khans' electrons?
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20
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What is the total charge stored by parallel plate capacitors?
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Phase shift upon reflection of electromagnetic wave
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Theremin Hand Capacitance Approximation Needed
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Is this a correct definition of one volt?
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5
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Current of electricity- power of a resistor in parallel
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Moving Charges and Magnetic Moments
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25
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Potential Difference and Capacitors
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8
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How Strong Must a Magnetic Field Be to Attract a Magnetic Item from 1 Meter?
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Resistance in a series circuit
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Separated paraLLEL COILS WITH MAGNETIC FLUX INTO ONE
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Is the electrical charge of atomic particles correlated with mass?
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How magnets attract objects mechanically?
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Hessian matrix of potential energy in electrostatic system
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Coulomb law dedution from Maxwell equations
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Amperes Law conceptual confusion.
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2
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Deriving electromagnetic fieldfor point charge
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Basic question on resistance - seeking a better understanding
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17
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Will free electrons experience its own electric/magnetic field?
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20
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Amplitude of all electromagnetic wave are same ?
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Acoustic Length in Pipe/Tube Explained - Physics Lab
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Understanding Complex Valued Magnetic Fields
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Field of a uniformly charged disk
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8
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Electric current in the human body
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10
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Why Does an Accelerated Charge Emit Photons and Lose Energy?
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5
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Is electromagnetic wave a matter itself?
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How do you measure Electromagnetic wavelength?
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3
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Can Photons Generate Electromagnetic Waves Without Being Charged?
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Energy stored in charged ring current
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Calculating Gauss of electromagnet
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3
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Capacitance of a Fractal Surface
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9
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How Does the Source of EMF Change with Movement in a Magnet and Coil System?
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34
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Is current flow the same as current flux in electromagnetics?
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14
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Electron transition in bohr's model
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What pushes the charge from one terminal to another?
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4
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Why an electromagnet doesn't makes a short circuit?
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Maximum Charge on Designed Capacitor
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8
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Formula for calculating current and or voltage in a coil
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11K
Why does a magnetic field repel moving charges?
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19
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How does movement of an electric charge create a magnetic field?
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Will an oscillating magnetic field penetrate a stainless steel tube?
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Building an LC Circuit powered by 60Hz AC Current
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9
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Estimate of photons/electron/cycle for radio antenna?
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7
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4K
Creating a Low-Friction Box with Magnetic Tracks
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The translational force on a piece of iron in a magnetic field
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NMR Magnetic Moment: Understanding Bloch Equations and Relaxation Terms
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What is the upper limit of magnetic density?
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Calculating Magnetic Field Outside a Finite Solenoid Using Elliptic Integrals
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Max Power from Coil in Magnetic Flux: Turns, Voltage, Current
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Distribution of positive charge in conductors
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How do we draw electric field lines for a negative charge in a vacuum?
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Destabilizing Molecules Through Electron Rearrangement?
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Number of electrons when something is charged
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3
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Why does an a moving charge spin in a magnetic field
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11
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Difference between These Electric Field Formulas
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Electric Charge- why is the electron the negative
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4
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Simulating Angular Momentum and Torque in Particle Interactions
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33
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How is uniform electric field produced?
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What core design of an electromagnet will maximize field at more distance
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22
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Charging an super/ultracapacitor from AAA batteries
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Is a Resistor a Capacitor in a Simple Circuit with a DC Current?
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5
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Charged particle focusing device
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What are the units for magnetic pressure?
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Modulate the voltage,current and frequency of photons
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Work needed to move conductor in constant electric field
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Electromagnetically Charged Wave Light
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18
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Little Question about magnetization and heat
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2
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Electric field of a uniformly charged disk
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2
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Phase relation between current and electromagnetic field generated
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1
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Buy High Voltage Electron Guns Up to 40kV - Expert Advice
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4
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Magnetic Shielding Strategies for Reducing Attraction Between Two Magnets
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Inertia and bicycle wheels related to wattage and time
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8
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How to create a eletromagnetic field with frequency?
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What is the curl of a electric field?
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2
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Why is voltage 0 in a short circuit?
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2
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Spherical Capacitor, equation for voltage
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3
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Energy due to a charge is infinite?
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7
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Understanding Voltage: Basics of Circuit Analysis
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8
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Magnetic dipole moment energy question
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2
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Electric Shock Risk From AC Generator: Can You Touch 1 Terminal?
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Calculating the strength of a magnetic field in a electromagnet
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4
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Power a led with piezoelectricty
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13
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Cauchy's Integral Formula and Ampere's Law - Any Connection?
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1
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How exactly do you find the net force between charges?
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Questions about electrostatic charge
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4
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Single electron single slit interference
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6
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