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High School How Fast Does Electricity Travel in Long Circuits?

  • Grimble
  • · Replies 3 ·
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3

High School What Does "Electron Carrier" Mean?

  • leoneri
  • · Replies 2 ·
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2

High School Explaining Induced Voltage: -NBA/t

  • bigmack
  • · Replies 19 ·
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19

Graduate How is the image recognised after electron multiplication

  • pallavi12
  • · Replies 2 ·
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2

Undergrad How bright are radio and other EM signals?

  • CosmicVoyager
  • · Replies 9 ·
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9

High School Magnetism's Effects on Watches: Explained

  • Rudra Roy
  • · Replies 4 ·
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4

Undergrad Cancellation of Electric Fields

  • modulus
  • · Replies 1 ·
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1

Graduate Is There an Exponential Relationship in Acoustic Resonance Amplitude Decay?

  • Elle90
  • · Replies 1 ·
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1

Graduate Field Electron Emission: How Much Charge Can You Remove From a Sphere?

  • Smacal1072
  • · Replies 1 ·
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1

Graduate Dis/Charging capacitor in time varying electric field

  • Apteronotus
  • · Replies 3 ·
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3

Graduate Frequency of Radiating EM Waves from a Moving Electron on a Unit Circle

  • qoqosz
  • · Replies 6 ·
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6

Graduate Kirchhoff's Law Derived from Faraday's Induction - EMROZ

  • emroz92
  • · Replies 4 ·
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4

High School Do charges travel along field lines?

  • Durin
  • · Replies 6 ·
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6

Graduate Help calculating the mass of an electron

  • Cookyt
  • · Replies 6 ·
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6

Graduate Superconducting induction coil

  • vin300
  • · Replies 4 ·
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4

Undergrad If Electrons Repel Each Other, Then

  • Gravitron
  • · Replies 3 ·
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3

High School Electron Beam: Constant Distance Explored

  • pallavi12
  • · Replies 1 ·
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1

Undergrad Buy Neodymium Magnets for Inducing Current on a Budget

  • bigmack
  • · Replies 2 ·
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2

Undergrad How does noise impact the potential measured in a circuit?

  • Sahara
  • · Replies 9 ·
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9

High School What Does Ground Really Mean in Electrical Terms?

  • hangover
  • · Replies 4 ·
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4

Graduate Phase constant in wave propagations: what are its effects?

  • Ionito
  • · Replies 3 ·
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3

Undergrad Fundamentally, what is an electric field?

  • czaroffishies
  • · Replies 25 ·
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25

Undergrad Electric Field of a Charged Disk

  • davezhan
  • · Replies 4 ·
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4

Undergrad Electromagnetism, flux density Vs. field size

  • semiotically
  • · Replies 5 ·
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5

Undergrad Simple Parallel Plate Capacitor Question

  • MassimoHeitor
  • · Replies 3 ·
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3

Graduate General formula for Electric field of a point charge

  • elara
  • · Replies 2 ·
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2

High School Protecting Home from Cellular Antenna Radiation

  • mortinat
  • · Replies 3 ·
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3

Undergrad Why is a changing magnetic field and changing electric field perpendicular?

  • ap_cycles
  • · Replies 17 ·
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17

Graduate EM wave polarized in the time direction?

  • cuallito
  • · Replies 2 ·
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2

High School Resistance to change in temperature?

  • davetheant
  • · Replies 3 ·
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3

Graduate What is the impact of a source point just at the field point in Coulomb's Law?

  • chientewu
  • · Replies 1 ·
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1

Graduate Electric current density in conductors not resembling a wire

  • Crusoe
  • · Replies 4 ·
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4

High School Troubleshooting DC Motor Power: Understanding Volts and Amps | Expert Tips

  • dvn
  • · Replies 7 ·
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7

Undergrad Why does grounded imply V = 0 ?

  • AxiomOfChoice
  • · Replies 6 ·
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6

High School What is the electron charge of He-3 and He-4?

  • 2203312
  • · Replies 6 ·
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6

Graduate Understanding Motion of Uncharged Ferromagnetic Objects in Magnetic Fields

  • Lasand
  • · Replies 16 ·
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16

Graduate Can We Harness Electron Inertia Despite the Heisenberg Uncertainty Principle?

  • tgramling
  • · Replies 3 ·
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3

Graduate Glass Lens affects Magnetic Fields?

  • Gravitron
  • · Replies 23 ·
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23

Graduate What Are the Correct Equations of Motion for a Magnetic Lagrangian?

  • vertices
  • · Replies 8 ·
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8

Graduate Radiation emitted by an accelerated charge

  • menachem
  • · Replies 7 ·
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7

High School Experimenting with Magnetic Fields and Electric Currents

  • bigmack
  • · Replies 5 ·
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5

Undergrad Does an Atom Lose Energy? Understanding the Role of EM Waves and Photons

  • Tominator
  • · Replies 9 ·
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9

High School A question regardingelectricity's nature

  • amlish
  • · Replies 1 ·
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1

Graduate Electrostatic charge and law of conservation of energy

  • dE_logics
  • · Replies 32 ·
2
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32

Undergrad Explaining Eddy Currents in Maglev & Levitation Expts

  • chanderjeet
  • · Replies 1 ·
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1

Graduate Calculating coefficients of spherical harmonic expansion of electric field

  • sally_a
  • · Replies 8 ·
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8

Undergrad Doubt reagarding magnetic fields

  • Caesar_Rahil
  • · Replies 2 ·
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2

Undergrad Electromagnetic radiation and absorbing materials

  • Andrewyeah
  • · Replies 1 ·
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1

Graduate Interaction of EM waves with media at boundaries

  • barnflakes
  • · Replies 2 ·
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2

High School What is a magnetic field made of

  • dani-1
  • · Replies 4 ·
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4

Undergrad Cooling Huge Magnets at CERN & Voltage Changes at Power Plants

  • menniandscience
  • · Replies 1 ·
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1

Undergrad How thick should stainless steel be to increase magnet strength?

  • Gauss20000
  • · Replies 5 ·
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5

Graduate Understanding Impedance of Free Space and Its Significance for Antenna Design

  • Wannabeagenius
  • · Replies 8 ·
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8

High School Understanding Magnetic Dipole Moments: A Beginner's Guide

  • dani-1
  • · Replies 3 ·
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3

Graduate Geometric product in electromagnetism

  • Longstreet
  • · Replies 3 ·
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3

Undergrad Doubts on Skin effect & Electricity

  • cool0crash
  • · Replies 1 ·
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1

Graduate Electric field on a tapered cylinder?

  • HMS-776
  • · Replies 2 ·
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2

Graduate Incomprehensible part in Griffiths' text

  • WiFO215
  • · Replies 2 ·
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2

Undergrad Dual nature of electron spectrum

  • astro2cosmos
  • · Replies 3 ·
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3

High School How to imagine an electric field?

  • SELFMADE
  • · Replies 2 ·
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2

Graduate Why are the electric and magnetic constants where they are?

  • LucasGB
  • · Replies 16 ·
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16

Looking for an electronic nose

  • getusama
  • · Replies 5 ·
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5

Undergrad Design a Helmholtz Coil: Step-by-Step Guide | Electronic Engineer

  • Hussein Eassa
  • · Replies 2 ·
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2

High School What is the Direction of the Electric Field?

  • aloshi
  • · Replies 3 ·
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3

Graduate Mass of the photon depends on the frequency?

  • hazim
  • · Replies 5 ·
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5

Undergrad Wire Temperature Increase Equation?

  • Jake110
  • · Replies 13 ·
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13

Undergrad Where did the electric constant came from?

  • LucasGB
  • · Replies 16 ·
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16

High School Can Magnets Repel Water Mist on a Steel Plate?

  • bergsj
  • · Replies 6 ·
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6

Graduate What Type of Barrier and Field Strength is Needed for Spin Polarized Tunneling?

  • forex10
  • · Replies 3 ·
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3

Undergrad Voltage and Electromagnetic power

  • ernestosaboia
  • · Replies 23 ·
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23

Undergrad Type and intensities of field of a moving charge

  • waqarrashid33
  • · Replies 1 ·
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1

High School 2 Neo magnets with some Mumetal shielding

  • gareth01422
  • · Replies 20 ·
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20

Undergrad Can Linear Motion of an Electron Produce a Magnetic Field?

  • waqarrashid33
  • · Replies 2 ·
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2

Undergrad Electric Field of a Spherical Conducting Shell

  • johnnyies
  • · Replies 2 ·
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2

High School Diferences b/w emf & voltage,Resistance & resistivity

  • hafiz16
  • · Replies 5 ·
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5

Undergrad Do Parallel Wires in AC Systems Exhibit Multiple Field Orientations?

  • Wannabeagenius
  • · Replies 1 ·
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1

Undergrad Do you think this makes sense?

  • LucasGB
  • · Replies 3 ·
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3

High School Egative charge is downer than the positive charge

  • zaroori
  • · Replies 12 ·
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12

High School Help with understanding capacitance

  • johnnyies
  • · Replies 3 ·
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3

Graduate Conservation of energy in EM with point charges

  • JustinLevy
  • · Replies 6 ·
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6

Graduate What is the Electric Field in a Current Carrying Wire?

  • PatF
  • · Replies 5 ·
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5

Undergrad Kinetic/Mechanical Energy -> Electricity?

  • rtsphysics
  • · Replies 4 ·
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4

High School Is it true that magnets forced into opposition lose magnetic their force?

  • wmingin
  • · Replies 1 ·
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1

Undergrad Curl of an electric dipole field

  • Identity
  • · Replies 1 ·
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1

Graduate What Are the Key Concepts of Dipole Antenna Radiation?

  • Wannabeagenius
  • · Replies 2 ·
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2

Undergrad How Does Antenna Gain Influence Signal Power Calculations?

  • H_man
  • · Replies 4 ·
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4

Undergrad Stationary Electron in changing magnetic field

  • perryizgr8
  • · Replies 4 ·
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4

Undergrad Magnets down a copper tube and Lenz's law.

  • georgebarnett
  • · Replies 3 ·
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3

High School Can anything conduct electricity?

  • Brown8633
  • · Replies 5 ·
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5

A few Math, Physics, and Electronic links

  • ranger
  • · Replies 15 ·
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15

Undergrad Calculating the Attraction Speed of Magnets

  • Electrica
  • · Replies 4 ·
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4

Graduate Maxwell's A Treatise on Electricity and Magnetism

  • BAnders1
  • · Replies 11 ·
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11

Undergrad Electric Field of a Charged Sphere

  • LucasGB
  • · Replies 4 ·
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4

Graduate Electromagnet coil core to yoke ratio?

  • britishink
  • · Replies 1 ·
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1

Undergrad Electromagnetism question, what formula

  • fluidistic
  • · Replies 6 ·
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6

Undergrad MIT series on Electromagnetism

  • tjackson3
  • · Replies 2 ·
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2

Undergrad Is the positive terminal of a battery positively charged?

  • p.tryon
  • · Replies 4 ·
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4

Graduate Behaviour of charged particle.

  • arul_k
  • · Replies 7 ·
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7

Undergrad My Unanswered Question: What is the Capacitive Current?

  • Apteronotus
  • · Replies 16 ·
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16

High School Charge: What Attracts and How It Works

  • johncena
  • · Replies 6 ·
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6