Electromagnetism Forum

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Understanding EM wave propagation
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EM Field vs EM Wave: Understanding Distance & Strength Differences
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Induced charge in conducting plate
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Dielectric constant, metals, frequency a bit confused
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11
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Tuning Gemstones: Can Frequency Really Be Managed?
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1
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Electromagnetic standing waves measurement
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14
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Particle disturbance by passing EM wave reveals momentum of EM wave?
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21
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5K
Thermocouple voltage compensator
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8
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How Close Do You Need to Be to High Voltage Power Lines to Induce Current?
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8
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Electromagnetic properties tables
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How Does Increasing Current Affect Charge Flow in Circuits?
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11
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Can beat frequencies occur when the amplitude of the waves are different?
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2
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How was Coulomb's law figured out?
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6
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The magnetic field of a solenoid
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1
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How to get high voltage but NO amps
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18
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Stability of electrical charges
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Does a constant electric flux produce a current?
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5
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Size of a Diamagnetic for Levitation
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Electric flux related to perpendicular suf?
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12
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What are the materials needed to make a simple electromagnetic bell?
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4
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17K
Why is the unit of flux density different from the unit of electric flux?
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10
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When a DC flows through a wire, does the electric field vary?
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1
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Why does electric charge reside on the outer surface of a conductor?
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18
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11K
Why does elecricity kill? What causes a magnet to be a magnet?
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9
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6K
Understanding the Charge on Alpha Particles
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3
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Curl of E for Charged Particle: Possibility?
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4
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3K
Demagnetization of repelling poles
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1
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3K
Is there current induced in a solenoid in an open circuit?
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15
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14K
What is the role of the electric field in a battery?
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5
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12K
Explaining F=BIl and F=Bqv for Many Charges
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4
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Eddy Current Pendulum: How Does it Work?
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2
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5K
Working model of a permanent magnet?
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2
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Electric and Magnetic fields of light
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8
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Magnetic field detectable around axis of laser beam?
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2
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2K
Would super-conducting of space itself create electromagnet fields?
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1
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Parallel line currents & Lorentz transformation
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2
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A doubt on self inductance and mutual inductance
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3
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Role of Capacitors in Automotive Ignition, Power Supply & Radio Tuning
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42
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16K
Understanding Eddy Currents: Causes, Effects, and Mitigation
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6
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Modelling electromagnetic wave reflection
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1
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2K
Free-fall formula, adding air resistance
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13
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28K
What Does Negative Voltage Really Mean in Different Electrical Contexts?
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32
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21K
Do Magnetic Fields Actually Perform Work?
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1
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What is the relationship between magnetism and electron movement?
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4
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7K
Resistance of a trapezoidal geometry
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7
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How can I calculate the magnetic field of a relativistic muon?
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6
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Electrostatic force on a charge
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7
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Van der Waals equation of state and Maxwell construction
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11
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13K
Magnetic repulsion Hover Boards
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16
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14K
How does a battery charger work?
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2
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14K
Do only electrons emit a photon when accelerated in EM field?
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3
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3K
The 'why' of electromagnetic induction
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1
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Are the magnetic forces of 'push' and 'pull' equal?
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2
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8K
A question about charged bodies/gravitation
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15
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3K
What happens, when you are trying to magnetize some iron bar?
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17
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11K
How to: compute Watts and Calories for for a bicycle, up a hill
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1
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3K
How to measure quantity of electricity without Coulomb law?
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4
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3K
Check my understanding of electrical energy please.
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6
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2K
Are Neodymium Magnets Polarized and Shaped Like This?
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11
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16K
Measuring Water Flow in Fire Hose: Challenges and Solutions
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3
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2K
How can the spectral representation of a plane EM wave be found?
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2
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2K
Why do electric rockets need to be in a vaccum?
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1
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Voltage, Amperage & Tasers: How Little Damage Can Be Done?
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6
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30K
Coulomb's Law and Point Charges: Real World vs Theory
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4
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Electricity and magnetism field lines
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2
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What is the resultant force on a conducting plate in a magnetic field?
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4
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Can an Electron Absorb Higher Frequency Photons to Transition Energy States?
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1
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Oscillating Electric Field Lines
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7
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How Does Adding a Resistor Affect Capacitor Charging Time?
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2
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Does Wire Gauge Affect Surface Heating Efficiency in Resistance Heating?
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1
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Solving Electric Circuits: 9V Battery, AC/DC Voltage & More
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21
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Looking for specific magnetic material under pressure
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1
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Moving electrons: magnetic and electric fields
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2
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What are these physical quantites in electrodynamics?
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2
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Need Help Solving the Lorentz Equation for a Charged Particle?
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1
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How would you use a magnet to test whether or not a piece of metal was magnetic?
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3
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9K
How does magnetism induce current
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12
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What is the physical meaning behind the energy of an electric field?
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5
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Explain magnets at the subatomic level to me?
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3
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How can I reduce cable capacitance for my Schering bridge?
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2
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8K
Computing Hr and Hz from Magnetic potential
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4
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Does a co-accelerated charge radiate?
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19
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4K
A question about permanent magnets
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19
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Electricity/Water Analogy Fails?
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16
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How does a magnetic bottle work?
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11
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Potential energy between two oppositely charged ions in a crystal
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3
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Could charges on a sphere cause it to explode?
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6
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So, How to Use Ampere's Law for Magnetic Fields and Current?
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7
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Why does everything electrical we see give its voltage?
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48
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54K
Cauchy-Lorentz distribution limit
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2
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Is Electromagnetism Induced by Electrocution Related to Voltage?
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8
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Magnetic Field outside a solenoid
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4
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Comment: When a metal is heated, there is current (ie flow of e) flowing too
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3
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Force on current carrying conductor
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2
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Dynamics of charged particles and quantum effects
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2
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Amperes law and electrodynamics and Gauss's law
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10
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Coulomb: Understanding the Fundamental Unit of Electric Charge
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7
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Understanding Voltage: How Electrical Energy in EM Waves Powers Devices
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7
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Calculating Electromagnets for 4T Output without Superconductors
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7
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7K
Dropping bar magnet through loop of wire
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1
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9K

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