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Undergrad Calculating Magnet Pull Force: What is the Equation?

  • teacher
  • · Replies 1 ·
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1

Undergrad Electric field around a current carrying wire

  • arul_k
  • · Replies 5 ·
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5

Undergrad What is the name of the quantity P ?

  • sgsawant
  • · Replies 2 ·
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2

Graduate Estimating efficiency of sum frequency generation

  • johng23
  • · Replies 2 ·
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2

Undergrad Does charge is also responsible for mass?

  • astro2cosmos
  • · Replies 11 ·
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11

Graduate Problem with the physics behind charged, isolated conductors

  • J Goodrich
  • · Replies 3 ·
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3

High School Understanding the Relationship Between Electric Current and Radio Waves

  • linux kid
  • · Replies 15 ·
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15

Undergrad Driving Frequency: Resonance Frequency and Its Effects

  • element41$
  • · Replies 2 ·
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2

Graduate How does electromagnetic forming of sheet metal work?

  • chididdy
  • · Replies 2 ·
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2

Undergrad Obscure Magnetic effects on copper wire

  • Jdo300
  • · Replies 7 ·
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7

Undergrad Question about Piezoelectricity

  • superpaul3000
  • · Replies 11 ·
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11

Undergrad Understanding Lorentz Force & its Helical Motion

  • EdTheHead
  • · Replies 1 ·
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1

Undergrad Charged particle flying into an electric field

  • EdTheHead
  • · Replies 1 ·
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1

Undergrad Flux & Gauss Law: Electric Field Lines & Types of Areas

  • EdTheHead
  • · Replies 10 ·
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10

Graduate Time reversal symmetry breaking in EM

  • kcdodd
  • · Replies 1 ·
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1

Undergrad A Conductor within a Capacitor

  • Apteronotus
  • · Replies 2 ·
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2

High School Why do the magnetic force does no work?

  • Taturana
  • · Replies 10 ·
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10

Undergrad Current status of Newton's Third Law of Motion

  • loom91
  • · Replies 8 ·
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8

Undergrad RC circuit - Capacitor discharge

  • jpas
  • · Replies 3 ·
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3

Graduate Can a Magnetic Lens Have Multiple Focal Points?

  • jam12
  • · Replies 6 ·
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6

High School Wiring Query: 24V 3W Light Bulbs for Christmas Decoration

  • John Readman
  • · Replies 8 ·
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8

Graduate Calculating time derivative of Magnetic force

  • Sagekilla
  • · Replies 4 ·
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4

Undergrad Air resistance on rotating cylinder

  • moejoe
  • · Replies 11 ·
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11

Undergrad Finding net forces when 3 charged objects are involved

  • EdTheHead
  • · Replies 1 ·
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1

Graduate Proving EM Doppler Shift Ratio: v/c = (r^2 - 1) / (r^2 +1)

  • SkovBriscombe
  • · Replies 3 ·
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3

High School How charged particle got to do with magnetism

  • Mathysics
  • · Replies 1 ·
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1

High School Why Doesn't a Rheostat Function as an Inductor in DC Circuits?

  • Starwanderer1
  • · Replies 1 ·
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1

Undergrad Conducting Rod in Electric Field

  • Apteronotus
  • · Replies 5 ·
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5

Graduate Queries on Maxwell's Equations

  • unseensoul
  • · Replies 6 ·
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6

Undergrad Why Does a Moving Charge Generate a Magnetic Field?

  • Taturana
  • · Replies 4 ·
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4

Undergrad Calculating change in velocity with resistance

  • kennethgilpin
  • · Replies 11 ·
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11

High School Direction of electric field lines

  • EdTheHead
  • · Replies 1 ·
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1

High School Understanding Electric Field Lines: The Truth About Infinity Explained

  • Misr
  • · Replies 3 ·
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3

Undergrad Using DC Power to Create Electron Flow in a Tungsten Filament Light Bulb

  • cragar
  • · Replies 2 ·
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2

Graduate A concept issue about EM field energy

  • kof9595995
  • · Replies 24 ·
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24

Undergrad Calculating resistance from voltage drop

  • EdTheHead
  • · Replies 2 ·
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2

Undergrad Inductive Current Help | Andrew's Physics 2114 E&M Exam

  • BurnieMac
  • · Replies 1 ·
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1

High School Electromagnetic Radiation and Heat Transfer

  • Gersty
  • · Replies 8 ·
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8

High School Current Electricity: Why Does Same Current Pass Through Resistors?

  • FizixFreak
  • · Replies 12 ·
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12

Graduate Understanding the Complex Dielectric Constants of Metals

  • Ali Asadullah
  • · Replies 10 ·
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10

Graduate Magnetostatics Anomalie: Infinite Surface Currents

  • Void123
  • · Replies 1 ·
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1

Undergrad Is There a Simpler Unit for Electric Field Similar to Acceleration for Gravity?

  • diagopod
  • · Replies 20 ·
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20

High School Electromagnetic induction and Faraday's Law

  • Firestrider
  • · Replies 23 ·
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23

High School Why Are 2 Bulbs in Series Dimmer Than in Parallel?

  • QotMMM
  • · Replies 1 ·
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1

High School Calculate the frequency of a sound .wav

  • inisca
  • · Replies 4 ·
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4

Graduate Electron & Photon Energy: Direction of Emitted Photon?

  • chinchop
  • · Replies 5 ·
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5

Graduate Calculating Electron Movement and Energy in Superconducting Loops

  • Razzor7
  • · Replies 6 ·
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6

Graduate Another conductor near a charged conductor

  • ananthu
  • · Replies 3 ·
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3

Graduate What is the significance of mutual inductance in electromagnetism?

  • Urmi Roy
  • · Replies 33 ·
2
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Graduate Why Is the Time Average of the Cosine Squared Term in the Poynting Vector 1/2?

  • ronaldoshaky
  • · Replies 5 ·
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5

Undergrad Noob's Questions about Electromagneticism

  • The_Jackal
  • · Replies 8 ·
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8

Undergrad Electrostatics: What power equations to use?

  • hihowareu
  • · Replies 5 ·
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5

Undergrad Do types of electro magnetic radiation exist that we can not detect?

  • magpies
  • · Replies 7 ·
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7

Graduate Lorentz Force in Magnetic Circuit Air Gap

  • f=qe+qvXb
  • · Replies 7 ·
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7

Undergrad Faraday's Disk Dynamo: why is there an emf?

  • jpas
  • · Replies 1 ·
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1

Undergrad Oppositely charged parallel plates I don't get why

  • foxx38
  • · Replies 5 ·
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5

Undergrad Super conductors exhibit infinite current?

  • SAINATHAN
  • · Replies 1 ·
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1

High School Direction of H Field Lines: North to South or South to North?

  • lavster
  • · Replies 5 ·
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5

Graduate Mass difference of a charged and a drained battery cell

  • Ralph Spencer
  • · Replies 15 ·
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15

Graduate No epsilon or mu factor in the equations

  • vin300
  • · Replies 3 ·
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3

Graduate Mechanically Oscillating Capacitor in LC circuit

  • thebaron
  • · Replies 1 ·
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1

Undergrad Troubleshooting Hydrogen Discharge Tubes: Potential Causes for Emission Stoppage

  • amalmirando
  • · Replies 9 ·
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9

Undergrad Why Does Placing a Plate Over a Horseshoe Magnet Affect its Magnetic Field?

  • GRB 080319B
  • · Replies 5 ·
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5

Undergrad Electric potential in different cases

  • quietrain
  • · Replies 12 ·
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12

Graduate What is wrong with Ampere's force law?

  • Dunnis
  • · Replies 30 ·
2
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30

Undergrad How Does Adding a Gap in HV Cables Enhance Spark Reinforcement?

  • CHICAGO
  • · Replies 10 ·
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10

Undergrad How is Energy Stored in a Magnetic Field?

  • FizixFreak
  • · Replies 2 ·
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2

Undergrad What is the difference between linear and non-linear dielectrics?

  • lavster
  • · Replies 4 ·
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4

Graduate Electric field inside conductor

  • f2009049
  • · Replies 1 ·
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1

Undergrad Alternating voltage/rms voltage

  • lavster
  • · Replies 1 ·
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1

Undergrad Lenz's Law and Energy Conservation

  • FizixFreak
  • · Replies 1 ·
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1

Undergrad Learning moments in statics currently

  • hisotaso
  • · Replies 1 ·
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1

Graduate Revolutionary Electron Bomb Concept: A High-Energy Weapon for the Future

  • lamonster
  • · Replies 5 ·
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5

Undergrad What Lies Beyond the EM Spectrum?

  • DanontheMoon
  • · Replies 10 ·
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10

Undergrad Magnetic flux generated by a motor coil

  • sebitab
  • · Replies 2 ·
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2

Graduate Electricity and Magnetism: The Surprise Connection

  • {~}
  • · Replies 4 ·
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4

Undergrad Supercharger power requirement

  • mender
  • · Replies 30 ·
2
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30

High School How Does Alternating Current Work?

  • ronaldoshaky
  • · Replies 2 ·
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2

Undergrad Can Coulomb's Law be Applied to Calculate the Force Between Two Magnets?

  • anita1984
  • · Replies 1 ·
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1

Undergrad Magnetic Force of identical shaped box bar magnets

  • dm164
  • · Replies 8 ·
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8

Graduate Why does an Accelerating Charge Radiate - Solved or Unsolved?

  • controlfreak
  • · Replies 39 ·
2
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39

Graduate Electrostatic uniqueness theorem

  • facenian
  • · Replies 2 ·
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2

High School Can an Electron's Oscillation Create a Transverse Wave?

  • constantinou1
  • · Replies 6 ·
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6

Undergrad Why are Iron, Cobalt and Nickel Magnetic?

  • FeDeX_LaTeX
  • · Replies 8 ·
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8

Graduate Electromagnetic wave propagation question

  • tiredryan
  • · Replies 13 ·
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13

Graduate Deviation in the direction of current .

  • ankur.schwing
  • · Replies 1 ·
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1

High School Why is iron magnetic and copper is not?

  • quantum123
  • · Replies 2 ·
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2

Undergrad Magnetic Track + Superconductor = Rideable Hover-Board?

  • CrazyEgg
  • · Replies 5 ·
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5

Undergrad Electric Quadrupole Field Lines in Textbooks

  • ameeno
  • · Replies 2 ·
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2

Graduate Impedance of free space/wave impedance

  • fluidistic
  • · Replies 9 ·
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9

Undergrad Research question about magnetic properties of iron

  • jparr007
  • · Replies 1 ·
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1

High School Rectifying an conventional error

  • BogMonkey
  • · Replies 8 ·
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8

Graduate How does the Lorentz Force relate to the fringing B field of a bar magnet?

  • TFH
  • · Replies 3 ·
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3

Undergrad Determining electromagnetic force and fields

  • mregal
  • · Replies 1 ·
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1

Graduate How Does Electronic Susceptibility Affect EM Signal Propagation in a Dielectric Medium?

  • ian2012
  • · Replies 1 ·
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1

Graduate Equivilence between Biot-Savart's Law and Ampere's Law

  • hnicholls
  • · Replies 1 ·
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1

High School Right hand palm rule and right hand clasp rule

  • logearav
  • · Replies 3 ·
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3

Undergrad Designing Circuits with Multiple LEDs and Different Voltages?

  • Gersty
  • · Replies 4 ·
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4

Graduate Lorentz Force replaces 2 laws of Maxwell?

  • nonequilibrium
  • · Replies 14 ·
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14

Graduate Electrostatics: Charge distribution and Dirac's delta, lots of questions

  • fluidistic
  • · Replies 3 ·
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3