Electromagnetism Forum

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Power a led with piezoelectricty
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2K
Cauchy's Integral Formula and Ampere's Law - Any Connection?
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How exactly do you find the net force between charges?
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1
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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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Speed of light in lossy dielectric medium
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Potential formulation of Electrodynamics with magnetic sources
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Why is charge a derived quantity
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Magnet through a copper coil - What if poles rotated 90 degress
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Capacitance of Wire Loops: Formula for Equal Radii R
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Are parallel flux lines necessary for C-EMF generation?
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19
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Rolling Resistance - proportional to speed?
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8
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Probability distribution using the Maxwell Boltzmann formula
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2
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Photoelectric effect and Compton scattering difference
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8
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Is the magnetic field a mathematical abstraction?
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5
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Harness energy of Earth magnetic field?
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16
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What is the heat current from the sun to a unit area on Earth?
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2
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How to discharge a clear plastic film roll ? : (
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10
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Electric Field Lines Can't Cross Each Other?
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6
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10K
What does +ve charge in conductor means, do they move
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17
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Gravity & Magnetism: Does it Affect Electrical Charges & Coils?
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1
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Reactive power with electromagnetic sources in free space
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7
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How does an electron carry energy in a circuit?
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5
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Instananeous frequency of a chirp signal is halved?
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2
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Relationship between current and current density for a volume conductor
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2
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5K
Question on characterization of elliptical polarization of EM wave.
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3
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Electrical Appliance working on alternating current
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2
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3K
Electric Flux Theory & Superposition | Find Electric Field at P
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3
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Thermoelectric Emf: Investigating Temperature Dependency
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9
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How do electrons move? [Please read]
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2
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There will be current when diode is reverse biased
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11
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19K
Understanding the Role of Grounding in AC Single Phase Systems
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41
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RFID induction question and frequency
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1
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What Is Flux? Scalar or Vector? Difference Between Flux and Flux Density
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5
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18K
Hand contact with capacitor negative (excess of electrons) terminal only.
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1
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Resonant frequency of a human body
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8
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Photomagnetic Effect: Can It Be Achieved at Room Temp?
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4
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Finding the frequency of an arbitrary, time-varying load
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3
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1K
What instruments did gauss use to measure flux / electric fields?
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3
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Confused on the Electrical Energy Formula?
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1
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Gauss Law and Electric Field of a Dipole
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3
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Can you strip away electrons completely from atoms?
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11
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Thrust Generation Using Lorentz Force: A Power Requirement Analysis
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14
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Maxwell-Boltzmann speed distribution derivatives
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2
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Electromagnetic hamiltonian factor of 1/c question
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4
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Gauge Choice and Consistency with EOMs
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1
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How can I power a Peltier Thermoelectric Cooler
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1
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Distance dependence in Ampere's force law
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3
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Can electromagnets create a variable magnetic spring?
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6
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4K
Is the Lenz Effect in a superconducting magnet strong enough to stop a bullet?
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1
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How Do Neodymium Cores Affect Solenoid Power and Efficiency?
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1
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3K
Why is V the symbol for voltage?
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11
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7K
What does it mean to have a charge?
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2
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Understanding Expansion, Compression and Entropy Coefficients
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2
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18K
What electromagnetic range would disrupt a neodymium magnet?
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6
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3K
Charging a Capacitor with High Frequency DC voltage
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34
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11K
Resonance frequency and Natural frequency?
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6
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Capacitors: How do they store energy ?
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18
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5K
Why isn't a hydroelectric dam considered perpetual motion?
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5
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3K
Is there a material that can emit gamma radiation when heated by electricity?
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12
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Is Energy proptional to frequency(standing wave)
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11
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4K
Proof of natural frequency in RCL circuit
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5
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Help: From Ampere to Coulomb in SI units
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1
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Is polar attraction stronger than the repulsion of electrons?
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3
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Electromagnetic Generator Coil Number Help
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3
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Impedance vs Resistance: Understanding the Distinction in Circuit Elements
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5
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Equation for Induction of Electric Current in Magnetic Field
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8
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Does a straight wire or Electron have a north and south magnetic pole?
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3
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Uniform Electric Fields: Understanding Coulomb's Law and Field Intensity
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2
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Is Levitation Possible with Spin Top Magnets?
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1
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Magnetism due to electron spin
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6
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Difference between electricity and electromagnetic waves
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19
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16K
Question about right hand rule (magnetism)
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3
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Temperature & Electromagnetic Radiation: Feynman's Perspective
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1
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Tension in a Guitar String and Frequency
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15
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Electric Field vs Electromagnetic Field
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4
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Efficiency of electrical heat vs. mechanical heating
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5
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Is all electrical energy eventually lost as heat in solid state electronics?
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13
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4K
Why is knowing the total charge on the conductors enough?
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11
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2K
Smart magnets that connect either way?
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9
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7K
Ampere Law in a hole Should give zero?
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1
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2K
The uses of piezoelectric disks
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1
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Energy transfer in electromagnetic induction
2
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78
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14K
How is the geomagnetic prime meridian defined?
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1
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Role of ground in charging a parallel plate capacitor
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4
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10K
Outward force on current loop (Ampere's Force Law)
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21
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Is the Faraday Cage invulnerable?
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17
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6K
What Exactly is Alternating Current
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26
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How does current flow in the primary coil during transformer self induction?
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7
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4K
Creating static electricity from an electrical current
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9
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Design electromagnet in pipeline
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1
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Relation b/w elctrical resistance and stress-strain
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2
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2K
Equivalence principle implies uniformly accelerated charge doesn't radiate?
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33
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7K
Calculating Magnetic Flux in 3D
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3
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How to derivate Maxwell Boltzmann Distribution
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4
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Voltage on a positively charged object?
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2
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2K
Can a Charged Particle Lose its Charge While Moving at Different Speeds?
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11
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3K
How can I negatively charge a piece of lead? (A Skeptic's question)
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6
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2K
Friction and rolling resistance, and work done queries
2
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54
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14K
Calculate electromagnetic force on iron object
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2
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6K

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