Electromagnetism Forum

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Lamor precession and diamagnetism
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5K
Insulated vs uninsulated wire in electromagnet
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Charge and field distribution for spherical conductor with cavity
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8
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Interaction between current and magnetic field
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What is the relationship between free and bound charge in Ohm's Law?
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How Do Free Electrons Transfer Kinetic Energy in Copper Wires?
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6
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Diff bet short&long bar magnet,Magnetic field due to current in loop
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Point charge ; current in a circuit
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4
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How to calculate magnetic pole strength?
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E and B fields and Electromagnetic radiation
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4
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Reference Electrostatic Potential
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8
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EM waves- self propagating in a vacuum?
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7
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3K
Capacitor with 2 floating gates
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Question about potential energy in capacitors
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4
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Magnetic flux pinning sometimes there and sometimes not.
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Questions about static electricity in automobiles
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6
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Why Is My Circuit Showing Higher Current Than Expected?
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3
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Dielectric Constant of Food in microwave
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3
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Formation of surface charge densities on wires in simple DC circuits
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4
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Magnet Through Coil Clarification
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Electric Field Propogation in LIGHT
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28
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Trouble understanding this derivation of Faraday's law
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Do Quarks Contribute to the Production of EM Waves?
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2K
Electricity - AC generation, supply and return question
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10
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Do Magnetic Fields Exist in All 3 Cases?
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30
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7K
What is meant by the input impedance of a voltage source?
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5
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Mass spectroscopy and electromagnetic radiation
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2
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Current Entering And Leaving Battery
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4
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6K
Electric fields and a spherical surface
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7
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Electric field Phase change upon rarer to denser reflection of an EM
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How to calculate speed voltage from Maxwell's laws
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2
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What Are the Limitations of Ampere's Law in Calculating Magnetic Fields?
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6
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12K
Electric fields and mean free path?
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1
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Does the vacuum of space have finite electrical resistance?
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7
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11K
How Does Charge Redistribution Occur in Isolated Conductors?
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27
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What is the difference between magnetic dipole moment and torque ?
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5
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8K
Coulomb force and the self electric field
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12
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Accelerated charge inside sphere (again)
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Does one of Maxwell's equations describe this magnetic field?
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6
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3K
How do electrons behave when exposed to heat and magnetic fields?
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12
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Photons, QFT and electric generators
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1
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Zero electric field within wire of zero resistance.
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12
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Electron configuration, magnetism, and unpaired electrons
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1
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Calculating the frequency of a photon
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4
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Calculating Force Between a Solenoid and a Cylindrical Magnet
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7
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How to determine the direction of induced current in a solenoid?
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1
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8K
Visualising electromagnetic (radio) waves.
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7
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How to Calculate the Magnetic and Electric Field
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5
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Tesla Coils Detecting Vacuum Leaks: Why?
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12
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9K
Variation of electric field to produce electric current
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4
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Surface charge density on a cylindrical cavity
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3
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Induced current & force between 2 wires
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10
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Electromagnet with External Iron 'Core'
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1
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2K
Piezoelectric effect- tube scanner
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1
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Producing Safe and Visible Electric Arcs with Basic Materials
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17
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Charged ions and high pressure
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7
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Relation Between the Magnetic Field Strength and Distance
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7
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31K
Lorentz force on a wire in earth´s Magnetic field?
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26
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10K
Coulomb Law: What Does k Mean & Why Is 4π Used?
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1
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Steady State Current: Charge Flow Q&A
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6
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21K
Ampere's Law on Current Carrying Loop
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1
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I don't understand electric fields.
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2
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Is Negative Energy Possible in Capacitors?
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5
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Understanding Particle Behavior: Electrons and Protons at a Distance of 1cm
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31
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Energy of an electromagnetic wave
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Calculating Magnetic Field Lines
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4
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Best way to harness electricity from
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8
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Self Inductance of a Cylindrical Current-Carrying Wire
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2
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Magnetic field produced in a particle accelerator?
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4
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2K
Finding natural frequency of a steel flat
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What Are the Viable Alternatives to Electricity for Future Energy Needs?
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3
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ZnO characterisation under constant current
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2
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Finding equivalent resistance in complex circuit
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1
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6K
Calculating the number of turns and thickness of an electromagnet
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9
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26K
Detecting if resistances are parallel or series in complex circuits
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10
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5K
What does the el.Dipole Moment increasing with charge separation mean?
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4
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Projectile motion with air resistance
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19
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Why is understanding bound currents important?
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3
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How Strong Does an Electromagnet Need to Be to Lift a 10 kg Weight?
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1
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Which bulb is really more collision of electrons inparallel connection
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Understanding the Inner Workings of Plasma Globes: Explained and Unveiled"
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3
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6K
How Do Charged Particles and Electric Fields Interact?
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22
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Why magnets H field oposes its B
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6
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6K
Is there current even with huge resistances?
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6
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1K
Mathematically, wouldn't the loss of electrons increase voltage?
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6
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2K
What causes the divergence of acceleration in the parallel plate system?
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41
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18K
Magnetic field of a current loop
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24
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Ideas for an Acoustics Project?
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1
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What is this nature of Electrostatic Field ?
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8
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Point Charge in the presence of charged, insulated, conducting sphere
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1
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What Happens to the Brightness of Bulb D When the Switch is Closed?
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31
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Magnet Coil Turns and wire calculation
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3
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52K
Induction, magnetism (flux), and current
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3
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Doubt in electromagnetic spectrum
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2
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Why Do Ferro- magnetic/electric Domains Exist?
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3
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Why is the attractive force if magnetism not accelerative?
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5
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What impact does air resistance have on a ball thrown upward with speed x?
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2
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Electric Longboard: Motor Requirements for 90kg & 32km/h
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1
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2K
Help with Steady State Heat Transfer Problem
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4
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Core falling out of electromagnet
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4
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