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Graduate What is Weber's Electrodynamics?

  • Heirot
  • · Replies 1 ·
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1

Undergrad Questions regarding electrostatic charge decay.

  • wiredGuy
  • · Replies 1 ·
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1

Undergrad Electrostatic charge of Scotch tape

  • TVP45
  • · Replies 9 ·
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9

Undergrad Calculating Force Created by Opposing Magnets

  • Gdarnall
  • · Replies 1 ·
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1

Graduate Lienard Wiechert potential of a point charge ?

  • snapback
  • · Replies 5 ·
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5

Graduate Is Gauss' Law Accurate for Point Charge Divergence in Electrostatics?

  • Jame
  • · Replies 2 ·
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2

High School Creating a Faraday's Cage With a Slinky

  • shirel
  • · Replies 8 ·
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8

High School Charged Sphere Question: Understanding Charge Transfer When Two Spheres Touch

  • likephysics
  • · Replies 7 ·
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7

Graduate Magnetic charge,matter and anti matter

  • spidey
  • · Replies 2 ·
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2

Undergrad Photon's charge and electric field

  • spidey
  • · Replies 7 ·
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7

Undergrad Electrical Conductivity of Fluids

  • Shelnutt2
  • · Replies 4 ·
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4

Undergrad Wavelength / Frequency notation

  • fasa
  • · Replies 2 ·
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2

Undergrad Testing VHF Radio Wave Performance with Different Antennas

  • prime-factor
  • · Replies 8 ·
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8

Undergrad Resistance of a loop of wire: confusing

  • mklein
  • · Replies 22 ·
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22

High School Can Water Become Magnetized on a Magnet?

  • fbsthreads
  • · Replies 14 ·
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14

Undergrad DC voltage across the inductor?

  • php
  • · Replies 5 ·
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5

Graduate On explanation of negative energy states and electron pair creation

  • zak
  • · Replies 13 ·
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13

Graduate Resonace Frequency of Bodies/Materials

  • jze
  • · Replies 3 ·
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3

Undergrad When exactly is it useful to use (electricity)

  • Elbobo
  • · Replies 5 ·
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5

Undergrad Iron/steel magnetic properties

  • bluechipx
  • · Replies 1 ·
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1

Graduate THREE MAGNETS - is interaction unique, oscilatory or chaotic solution?

  • Sione
  • · Replies 2 ·
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2

Graduate An infinite progression of 'meta charge'

  • Phrak
  • · Replies 1 ·
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1

Graduate EM Wave Amplitude: Questions & Answers

  • Emreth
  • · Replies 7 ·
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7

Graduate Wien's Displacement Law frequency vs wavelength

  • buttersrocks
  • · Replies 13 ·
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13

Undergrad Why Does Rotating a Magnet Below a Horizontal Coil Not Produce Voltage?

  • Charlie_V
  • · Replies 6 ·
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6

Graduate Maxwell equations + scalar and vector potentials

  • JamesGoh
  • · Replies 6 ·
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6

Undergrad Magnetic Vector Potential Drawing

  • barton
  • · Replies 1 ·
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1

High School Conventional Current: Benefits & Explanation

  • matt_crouch
  • · Replies 4 ·
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4

Graduate Contradiction in Gauss's Law: Analytical vs Intuitive Evaluation

  • r16
  • · Replies 3 ·
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3

Graduate Solution to EM Wave: Questions & Answers

  • KFC
  • · Replies 3 ·
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3

Undergrad How Does an Electron Move in a Magnetic Field Within a Cloud Chamber?

  • DiamondGeezer
  • · Replies 4 ·
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4

Graduate Find electromagnetic cloaking devices

  • w8678678
  • · Replies 3 ·
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3

Undergrad Detect Low Currents in Nano/Pico Amperes

  • Rising_Phoenix
  • · Replies 3 ·
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3

Undergrad Incandescent Light Bulb, Resistance and Brightness

  • monstersaurou
  • · Replies 2 ·
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2

Graduate Why are some Maxwell relations written in reverse order?

  • KFC
  • · Replies 2 ·
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2

High School How Does the Direction of an Electric Field Affect Particle Movement?

  • caljuice
  • · Replies 3 ·
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3

High School For the first question, a better answer is: "Resistance in Parallel Circuits

  • stickplot
  • · Replies 1 ·
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1

Graduate Proving Symmetry of Modified Maxwell Equations

  • KFC
  • · Replies 3 ·
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3

High School Why does the direction of an electric field depend on the charges present?

  • caljuice
  • · Replies 4 ·
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4

Undergrad Emulate something in software that has a resonant frequency

  • inhahe
  • · Replies 2 ·
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2

Undergrad Why Does Charging a Capacitor Result in Half the Energy Loss?

  • gangsta316
  • · Replies 6 ·
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6

Graduate Applying Poisson Equation for Electrostatic Potential in a Spherical Shell

  • KFC
  • · Replies 3 ·
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3

Graduate Why must charge be attached to mass?

  • Phrak
  • · Replies 32 ·
2
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32

Electric field in a Cylinder shell of finite height(thought experiment)

  • chrisandmiss
  • · Replies 1 ·
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1

Graduate Particle-Particle Simulation: Magnetic/Electric Fields & N-body Orbitals

  • PlayStationX
  • · Replies 5 ·
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5

Undergrad Can an Electromagnetic Collar Block Pain During Medical Procedures?

  • Cyrus
  • · Replies 1 ·
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1

Graduate Average velocity of particles and maxwell distribution

  • KFC
  • · Replies 2 ·
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2

Undergrad What is the relationship between amplitude and strength in radio waves?

  • jshuford
  • · Replies 6 ·
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6

Undergrad Gravity and Permanent Magnetism as energy sources

  • exwso2001
  • · Replies 5 ·
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5

Graduate Can a Lens be Designed to Focus an Electric Field on a Specific Region?

  • thinktank1985
  • · Replies 5 ·
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5

Graduate Biot-Savart: Why symmetry-break?

  • geonat
  • · Replies 35 ·
2
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35

High School Conductivity of Copper Against Copper

  • chris2547
  • · Replies 2 ·
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2

Undergrad Electric and magnetic fields experiment

  • JKaufinger
  • · Replies 4 ·
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4

Undergrad 14 Tesla magnet strength? Too much?

  • Cspeed
  • · Replies 18 ·
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18

Undergrad Why magnetization is a linear function of external field?

  • valjok
  • · Replies 7 ·
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7

High School Does A Mangetic Field Have Frequency?

  • BlindlyThinkN
  • · Replies 2 ·
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2

Undergrad Questions about movement of a permanent magnet inside of solenoid.

  • jalbers
  • · Replies 3 ·
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3

Graduate Electrodynamic vector potential wave equations in free space.

  • Peeter
  • · Replies 4 ·
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4

Graduate Method of images in Griffiths' text

  • KFC
  • · Replies 11 ·
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11

Graduate Boundary condition of EM field

  • KFC
  • · Replies 3 ·
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3

Graduate Charges passing through a superconductor

  • Northprairieman
  • · Replies 1 ·
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1

Undergrad Can Transformers Replace Resistors in Controlling Current Flow?

  • RalphM
  • · Replies 18 ·
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18

Graduate Electron-Positron Attraction: How Do These Particles Interact?

  • benk99nenm312
  • · Replies 1 ·
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1

Undergrad Inertial Charges: Magnetic Forces Relative?

  • Charlie G
  • · Replies 6 ·
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6

Undergrad Combating Air Resistance on a Bike

  • gearhead
  • · Replies 8 ·
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8

Graduate What Aspect of an Electric Charge's Influence Propagates at the Speed of Light?

  • ice109
  • · Replies 7 ·
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7

Undergrad Charging by induction - Electrons the ONLY mobile charge carriers?

  • klng
  • · Replies 8 ·
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8

Undergrad How can Gauss value be used to calculate magnetic force in Newtons?

  • MagElectPhys
  • · Replies 2 ·
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2

Graduate Electrodynamics Lagrangian. differences in sign in online references.

  • Peeter
  • · Replies 5 ·
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5

Undergrad Calculating force of Air Resistance

  • gearhead
  • · Replies 2 ·
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2

High School Generating Electric Currents Through Bouncing

  • cam875
  • · Replies 3 ·
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3

Graduate Rotating Cylindrical Magnets: Impact on Magnetic Field Shape

  • arul_k
  • · Replies 7 ·
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7

High School What is the purpose of capacitors in parallel with motors for RC toy cars?

  • anonymoussome
  • · Replies 7 ·
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7

Graduate Question about the magnetic dipole moment of the electron

  • georgenewman
  • · Replies 1 ·
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1

Undergrad Unraveling the Mysteries of Magnets and Field Lines

  • Arnan
  • · Replies 1 ·
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1

Undergrad Air resistance in relation to ballistics

  • My Porsche
  • · Replies 3 ·
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3

Graduate What determines the frequency of EM waves from accelerated current?

  • nuclear420
  • · Replies 6 ·
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6

Undergrad Amplitude of Electromagnetic wave?

  • The_Thinker
  • · Replies 2 ·
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2

Undergrad Charge Calculation: Mass/Charge Ratio Explained

  • spidey
  • · Replies 4 ·
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4

Graduate Confusing on permeability and relative permeability

  • KFC
  • · Replies 3 ·
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3

Graduate Method of images with infinite, earthed, conducting plane

  • watty
  • · Replies 1 ·
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1

Graduate Can electricity and magnetism be separated like electricity and the weak force?

  • Gear300
  • · Replies 10 ·
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10

Graduate Is the Lorentz force quantized at the atomic level?

  • nuby
  • · Replies 3 ·
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3

Undergrad Formula for the strength of an electromagnet

  • Mindstormed
  • · Replies 1 ·
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1

High School Physics information no1 seems to know

  • Mobile1551
  • · Replies 2 ·
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2

Graduate Electromagnetic Waves: A Confusing Abstraction

  • darkchild
  • · Replies 1 ·
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1

Graduate How to prove that two electron exerts gravity on each other

  • loup
  • · Replies 13 ·
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13

Undergrad Blackbody in photoelectric effect

  • hasanhabibul
  • · Replies 7 ·
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7

Graduate Magnetic force would it take to launch 1,000 , 5,000 and 10,000 pounds

  • shane terpin
  • · Replies 1 ·
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1

Undergrad Can an extreme electric field break down a conductor?

  • Mentia
  • · Replies 3 ·
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3

High School Cause of Magnetism: An Overview

  • chound
  • · Replies 28 ·
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28

Undergrad How to model internal resistance

  • Cspeed
  • · Replies 3 ·
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3

Undergrad Electric force in electric field

  • weizhao
  • · Replies 5 ·
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5

Undergrad Calculate Bell Ringing Frequency | 8.5cm Diam, Cast Brass

  • UUallace
  • · Replies 6 ·
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6

High School Direction of voltage and electric field

  • BassTea
  • · Replies 4 ·
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4

Graduate What do curl/Dovergence of various fields represent?

  • swraman
  • · Replies 5 ·
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5

Undergrad Change EM Wavelength: Is There a Substance?

  • klein
  • · Replies 5 ·
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5

Graduate Accelerating charged body, question

  • crx
  • · Replies 9 ·
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9

Undergrad Creating electromagnets questions

  • Lefteris
  • · Replies 2 ·
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2

Undergrad Electromagnetic Motor/ Magnet Orientation

  • Decoherence
  • · Replies 1 ·
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1