Electromagnetism Forum

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Possible to make your own magnetic gears?
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Amount of charge stored by thin conductive plate
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Transformers: high voltage, low current AND low resistance?
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12
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6K
Magnet moving over surface creating levitation
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3
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Magnetic Flux Linkage: Rate of Change & Cutting
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Equation for the energy of an electron
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Energy Gained by Charge in an Electrostatic Field - Comments
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Problem in understanding self-inductance
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Most powerful electromagnet/magnet for hobbyist?
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Charges on inner and outer shell
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12
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Strength of magnetic field on "eBay electromagnets"?
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2
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See an Electron Lately? - Comments
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16
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Electromagnetic elevation expectations
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Is Gravity Just Electromagnetism?
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Describing Electromagnetic Induction of a Guitar Pickup
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Some questions regarding capacitors
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Maxwells equation in cgs system
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3
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Is dielectric necessary in capacitors?
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18
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Conductive ring levitated by electromagnet
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Are there any planetary systems that are influenced by EM waves?
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Does current flow in both wires or in one in our homes?
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49
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Question about north and south poles of a magnet.
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5
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Leakage Current Explained: What V, R, A, ρ, and d Stand For
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10
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Why is Plasma a good conductor of electricity?
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3
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Wrongly applying Faraday's Law to time changing loops
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Current Flow Basics: Bulb, Wire, Insulators
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40
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Diode Resistance: Electric Field & P/N Junctions
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10
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Is net charge the same as excess charge in the interior of a conductor?
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Accelerating a charged particle generating an "electric field wave"
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6
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Electromagnetic Unification Energy?
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3
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Circuit analysis -- Voltage question
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3
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Gravity and electromagnetism equation
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1
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888
Derivation of Electric Field with Gauss's Law
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3
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Questions based on derivation of electrical potential energy
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10
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Velocity of Electrons: Orbital Motion & Velocity Explained
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Polarisation of magnetic field
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Tracing back an electromagnetic wave to its source
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6
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Electrostatic forces in plastic bags
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1
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Energy in a Capacitor: Explained
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45
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6K
Particles with neutral charges but not affected by the weak or strong force
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10
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Understanding Earth's N/S Poles: Magnetic, Geographic, Geomagnetic, & Dip
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2
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Is Magnetic force conservative?
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20
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Potential due to a uniformly charged sphere
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9
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Dynamic Relative magnetic permeability
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3
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Mechanical Advantage in absence of resistance or load
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40
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Clarification of where energy is stored in a capacitor?
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11
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Relationship between an EM wave and its current
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7
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Is My Capacitor Fully Charged?
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4
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What's the electromagnetic effect on a pendulum oscillation?
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Interesting Electrodynamics Problem
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12
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Electromagnetic wave incidence on interface
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11
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Solving a parallel LC circuit with DC current
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6
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How do thermoelectrics work?
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9
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Graviational vs Electrical Potential
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7
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Electric current misconception
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4
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The current of a single electron
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5
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How to Calculate Velocity of Water through a Magnetohydrodynamic Thruster?
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Magnetic Flux Density Direction
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Can a transformer handle more current than its specifications?
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2
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Potential Difference between two parallel charged plates.
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4
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What cause the atomic orbitals electron configuration ?
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7
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Determining Thevenin equivalent resistance
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Electric Field Inside a Charged Conductor: Explanation Needed
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2
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Why do we want to know how much a charge can be stored /V?
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4
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1K
Magnetic levitation - superconductors
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1
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Can Cones Intensify Magnetic Fields Between Electromagnets?
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1
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The definition of the electric field?
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2
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Need help understanding strange idea (electric motor rotor and stator)
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13
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4K
Electric field direction from high V to lower V
2
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74
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Voltage in Circuits: Explaining Voltage Drops & Flow
3
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114
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11K
What does it mean to say a battery is however many volts?
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7
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E field calculations for continuous charge distributions
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Parasitics in Solenoids: The Relationship Between AC Frequency and Induced EMF
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1
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What is the relationship between dℓ and dR in the sign convention for voltage?
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3
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What happens when capacitors are reconnected?
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5
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Why is Faraday's law one-sided?
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6
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Calcs. for continuous charged media don't explode?
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14
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EM Wave creation in different frames of reference
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1
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How do i interpret the following electric potential diagram?
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2
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Wave Optics: Electromagnetic Waves
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2
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PN Junction: Current flow in Reverse Bias
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2
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Why do transformers use AC currents in the primary coil?
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6
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Big rotor vs multiple small rotors in a Permanent Magnet Generator
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1
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Maxwell-Boltzmann Equation (avg velocity)
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Calculating Inductance of a Solenoid with Multiple Isolated Loops
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1
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Electrostatic discharge current
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1
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Force on Magnet from Electromagnet
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1
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Calculate Voltage Output Using Faraday's Law
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4
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Charged Capacitor: Is Disconnecting Dangerous?
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3
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Help understanding the Voltage in a circuit.
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1
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Limits of integration for electric potential
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5
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Photoelectric Effect and Conic section
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1
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Magnetic field from free electrons
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4
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Wavelength/Frequency inside a cavity
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1
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If I throw an iron ball at a magnet, the ball will bounce of
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3
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What is the color code for a zero Ohm resistance?
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13
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Is a Faraday Cage Always Safe, Even When Hollowed Out?
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1
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Can a Charge in a Wire Move in a Circle Due to Lorentz Force?
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1
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Does electrical conduction require energy state changes?
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2
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How to measure electrostatic charge in this scenario?
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1
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