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Undergrad What is the Meaning of 0 V or 0 Potential Between Two Charges?

  • Miraj Kayastha
  • · Replies 1 ·
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1

Undergrad Electromagnetic energy of a long wire

  • hokhani
  • · Replies 7 ·
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7

Graduate Electrostatic E Fields - Possible/Impossible

  • bangkokphysics
  • · Replies 4 ·
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4

High School Charged particle in a magnetic field

  • cherioslover
  • · Replies 3 ·
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3

Graduate Fundamental Frequency of a nano scale oscillator (graphene)

  • maguirpi
  • · Replies 4 ·
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4

Undergrad How does a laptop transformer avoid using energy?

  • andrewkirk
  • · Replies 4 ·
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4

Undergrad Why is electric charge quantized?

  • kye
  • · Replies 1 ·
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1

Graduate Charged particle movement in arbitrary electromagnetic field

  • FlatronL1917
  • · Replies 1 ·
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1

Undergrad Understanding Flux Density in Coils: Equations and Factors Explained

  • ElectricJosh
  • · Replies 3 ·
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3

Undergrad Internal resistance of the battery and power dissipation

  • abdo799
  • · Replies 4 ·
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4

Graduate Why is the induced M field proportional to H, instead of the B field?

  • burgjeff
  • · Replies 3 ·
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3

Graduate Solving Maxwell Boltzmann Random Number Problem

  • jenny777
  • · Replies 1 ·
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1

Graduate What Happens to Electrons in the Center of Polywell Fusion Reactors?

  • Crazymechanic
  • · Replies 3 ·
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3

High School What does it mean to 'drive' a coil?

  • JustStudying
  • · Replies 3 ·
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3

Undergrad Can You Modify a Capacitor's Dielectric to Control Charge Flow?

  • Mr.Bomzh
  • · Replies 7 ·
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7

Graduate Effective Demagnetization Techniques for Low Coercivity Ferromagnetic Materials

  • Dash-IQ
  • · Replies 1 ·
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1

Graduate When do Maxwell's Equations break down?

  • thegreenlaser
  • · Replies 21 ·
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21

Undergrad Magnetic field due to many wires

  • cutesteph
  • · Replies 1 ·
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1

Undergrad Why Is the Electric Field Stronger at Sharp Edges on Conductors?

  • kended
  • · Replies 3 ·
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3

Undergrad Electric Field & Battery-Wire: How Electrons React

  • chimay
  • · Replies 18 ·
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18

Graduate Speed of Magnetic Field in Soft Iron: An Experiment

  • Ted1
  • · Replies 14 ·
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14

Graduate Are P and E fields in LIH dielectric in dynamic equilibrium

  • sigma_
  • · Replies 8 ·
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8

High School Designing an Electromagnetic Toy: How to Improvise with Limited Resources

  • bicepcurls
  • · Replies 8 ·
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8

Undergrad Hall Effect: No hall voltage in a Copper sample.

  • RedMech
  • · Replies 1 ·
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1

Undergrad Increase Electromagnet Strength Without Additional Energy

  • Malverin
  • · Replies 8 ·
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8

Undergrad Conservation of momentum in an electric field

  • Voltz
  • · Replies 18 ·
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18

Undergrad Can a Magnetic Field Really Induce a Potential Difference in the Hall Effect?

  • aaaa202
  • · Replies 3 ·
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3

Undergrad Why are the charges of the proton and electron equal but opposite in size?

  • kye
  • · Replies 7 ·
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7

High School Can a Race Car with Magnetic Wheels be Designed for a Final Project?

  • bicepcurls
  • · Replies 4 ·
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4

Graduate Can Earth's Magnetic Field Be Amplified for Levitation Purposes?

  • Kenbigdeal
  • · Replies 1 ·
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1

Graduate Pneumatic Cylinder Discharge Equations

  • QQ2013
  • · Replies 1 ·
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1

Graduate Is the Maxwell stress tensor a true stress?

  • TrickyDicky
  • · Replies 2 ·
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2

Undergrad Multiple parallel plate capacitor question.

  • mrspeedybob
  • · Replies 17 ·
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17

Graduate Normal Force: A summation of electromagnetic forces?

  • Raze
  • · Replies 11 ·
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11

Undergrad Understanding Faraday's Law: The Role of Magnetic Flux and Imaginary Surfaces

  • Freddy86
  • · Replies 6 ·
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6

High School How to graph equipotential lines of two charges?

  • rslewis96
  • · Replies 3 ·
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3

Graduate Maximizing Efficiency: Back EMF and Transformer Behavior in an Ideal Circuit

  • Crazymechanic
  • · Replies 16 ·
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16

Undergrad Magnetic field outside a solenoid

  • SteveDC
  • · Replies 2 ·
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2

Undergrad How does charge accumulate on the plates in a capacitor?

  • alienprophecy
  • · Replies 9 ·
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9

Undergrad Can a half sine wave be inverted with a low-pass filter?

  • abdo799
  • · Replies 8 ·
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8

Graduate Do you integrate a variable charge density when solving for Q?

  • Axxaaa
  • · Replies 3 ·
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3

Graduate Is a surface plasmon an EM wave?

  • Aziza
  • · Replies 3 ·
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3

Undergrad Copper & Magnets: Generating Repulsive Force

  • zepp0814
  • · Replies 1 ·
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1

Undergrad What Causes Eddy Currents in a Copper Tube?

  • clark84
  • · Replies 6 ·
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6

Graduate The magnetic field of a spinning spherical shell of uniform charge

  • Hegoeth
  • · Replies 3 ·
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3

Graduate Higer dims: Electromagnetic field lines and stereographic projection

  • Myslius
  • · Replies 2 ·
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2

Undergrad How does a voltage divider work with a resistor and capacitor in an RC circuit?

  • PsychonautQQ
  • · Replies 1 ·
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1

Undergrad Calculating Magnetic Field Outside Toroidal Solenoid

  • LordBerkley
  • · Replies 1 ·
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1

High School Want to know how alternating current really works

  • justwild
  • · Replies 24 ·
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24

High School Understanding Charge Attraction: Theories and Explanations

  • PhyHunter
  • · Replies 15 ·
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15

Undergrad Calculating magnetic field strength through objects.

  • LordBerkley
  • · Replies 5 ·
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5

Undergrad Difference between Corona Discharge and Dielectric Breakdown?

  • jaumzaum
  • · Replies 3 ·
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3

Undergrad Reducing Eddy Current Effects: How Laminated Cores and Reduced Area Help

  • jayeshtrivedi
  • · Replies 4 ·
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4

Undergrad Voltage: Clarifying Conflicting Definitions

  • Jimmy87
  • · Replies 5 ·
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5

Undergrad What is the role of free electrons in electric induction?

  • Omega0
  • · Replies 3 ·
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3

Graduate Universal electromagnetic field formula

  • pixelpuffin
  • · Replies 1 ·
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1

High School Diodes & Resistance: Understanding Forward/Backward Flow

  • abdo799
  • · Replies 1 ·
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1

Undergrad Conditions for a E field to be possible

  • cutesteph
  • · Replies 3 ·
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3

High School Why Inflating Balloons Causes them to Gain a Positive Charge

  • tony873004
  • · Replies 5 ·
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5

Graduate What is the significance of curl of of a vector field.

  • jssamp
  • · Replies 4 ·
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4

High School Magnet therapy and magnetic blood

  • Wanda1989
  • · Replies 6 ·
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6

Graduate Work done in moving the plates of the capacitors

  • bs vasanth
  • · Replies 1 ·
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1

Undergrad Does Grounding Alter Voltage Differences in Electric Circuits?

  • aaaa202
  • · Replies 2 ·
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2

Graduate Questions Pertaining to Electromagnetic Wave and James C. Maxwell

  • dwn
  • · Replies 17 ·
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17

Graduate Multiple coil field math for magnetic train

  • pixelpuffin
  • · Replies 1 ·
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1

Undergrad Experiment with Earth magnetic fields abnormal

  • beatfrequency
  • · Replies 3 ·
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3

Graduate What happens to the electrons in a magnet

  • kmm
  • · Replies 11 ·
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11

Undergrad Wireless Electricity: Magnetic Resonance vs. Magnetic Induction

  • beonfilms
  • · Replies 1 ·
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1

Graduate Particle/dipole acceleration in non-uniform magnetic field

  • kmm
  • · Replies 6 ·
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6

Graduate Hydroelectric power plants question

  • santiag0m
  • · Replies 3 ·
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3

Graduate Overcoming the Coulomb Barrier: Energy Requirements

  • cassioiks
  • · Replies 4 ·
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4

Undergrad Can a magnetic shaft generate current flow in a rotating magnetic field?

  • kranth90
  • · Replies 5 ·
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5

Graduate Effect of magnetic materials on field created by current

  • salparadise
  • · Replies 8 ·
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8

Graduate Understanding the Electric Displacement Field

  • sigma_
  • · Replies 3 ·
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3

Undergrad Are Capacitors in Series or Parallel After Disconnecting the Voltage Source?

  • amiras
  • · Replies 16 ·
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16

Undergrad Maxwell's modification to Ampere's law

  • jaydnul
  • · Replies 2 ·
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2

Graduate Fourier transform of RF signal with a prism ?

  • univector
  • · Replies 8 ·
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8

Graduate What is the Perpetual Motion Machine using Magnets?

  • kmm
  • · Replies 1 ·
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1

Undergrad Back EMF Paradox: Is There a Contradiction?

  • Conservation
  • · Replies 3 ·
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3

High School Static electricity - Quantity of charge induced.

  • Girish198
  • · Replies 4 ·
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4

High School Wall Adapter Question: How is 1A Output Possible?

  • Sir Physics
  • · Replies 3 ·
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3

Undergrad Energy conversion in a hydroelectric dam

  • kimau79
  • · Replies 9 ·
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9

Graduate Understanding Faraday's Law: Investigating Phase Shift in an AC Circuit

  • 2.718281828459
  • · Replies 6 ·
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6

Graduate A ferromagnet exposed to two fields at the same time?

  • Dash-IQ
  • · Replies 3 ·
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3

Undergrad Sound Wave, Microphone and Electromagnetic Induction

  • wlng81
  • · Replies 6 ·
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6

Graduate Prediction of electron position

  • username27
  • · Replies 8 ·
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8

Undergrad Emf induced in a conducting ring.

  • srijag
  • · Replies 14 ·
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14

Undergrad Nyquist frequency for a system with rectangular pixels

  • mitch_1211
  • · Replies 1 ·
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1

Graduate Shielding Wire: Reduce Field at Point 30mm Away

  • maxwel
  • · Replies 1 ·
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1

Undergrad Electric charge on conductors , capacitors

  • Crazymechanic
  • · Replies 3 ·
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3

Undergrad Receding Electric field/Magnetic Field?

  • Conservation
  • · Replies 6 ·
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6

Graduate F = del(p.E) and F = (p.del)E are equivalent

  • izzy93
  • · Replies 1 ·
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1

Undergrad Why electric field is zero inside a conductor?

  • ddnath
  • · Replies 5 ·
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5

Graduate The Hysteresis Loop of Raw Iron: Understanding Coercivity and Magnetization

  • Dash-IQ
  • · Replies 8 ·
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8

Graduate Spherical Ball with uniform Charge Density

  • Philosophaie
  • · Replies 3 ·
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3

Undergrad E-field & hollow non-conducting sphere

  • CsLevi
  • · Replies 6 ·
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6

Graduate Sun now has only a south magnetic pole?

  • Shellsunde
  • · Replies 6 ·
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6

High School What gives the charge of particle?

  • us40
  • · Replies 4 ·
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4

Graduate Is There a Relationship Between Mass, Charge, and Energy in Our Universe?

  • TMSxPhyFor
  • · Replies 7 ·
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7

Graduate Scaling Maxwell's Demon Experiment: Macro-Level Rigid Ball Suspension

  • lostminty
  • · Replies 3 ·
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3