Electromagnetism Forum

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Graduate If there were only one charge in the universe.

  • the-ever-kid
  • · Replies 1 ·
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High School What is the energy of a free electron?

  • aditya23456
  • · Replies 6 ·
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6

Graduate Understanding the Lorentz Equation: Clarifying the Confusion

  • Aziza
  • · Replies 1 ·
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1

High School Charge of an Electron - e's | Answers Here

  • CloudChamber
  • · Replies 1 ·
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1

Undergrad Understanding Lightning Return Strokes

  • michelle15g
  • · Replies 5 ·
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5

High School Can a simple plywood attachment save you money on gas while driving?

  • MrPeanut
  • · Replies 2 ·
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2

High School How Does an Electric Current Supply More Energy to Higher Wattage Appliances?

  • esmeralda4
  • · Replies 4 ·
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4

Undergrad Voltage distrubution in a circuit

  • sgstudent
  • · Replies 11 ·
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11

Graduate Interference of a bunch of incident electromagnetic waves

  • freddyfish
  • · Replies 1 ·
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1

Graduate Infinite grounded plane induced surface charge

  • AcidRainLiTE
  • · Replies 19 ·
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19

Undergrad How does voltage in a battery increase?

  • htttp
  • · Replies 4 ·
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4

High School Can Magnets Actually Store Energy?

  • Hypo
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Undergrad Magnetic pull force with a gap

  • isaacc
  • · Replies 2 ·
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2

Graduate What affects the value of cyclotron frequency for protons?

  • arunashish
  • · Replies 2 ·
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2

Graduate Self force on an accelerating electron

  • Boltzmann2012
  • · Replies 13 ·
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13

Undergrad Dropping two magnets through a copper tube

  • Xiao10
  • · Replies 2 ·
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2

Graduate Question about Retarded Time and Moving Charges

  • dipole
  • · Replies 1 ·
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1

Undergrad Photoelectric Effect vs. Wave Model

  • Mei
  • · Replies 2 ·
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2

Undergrad Negative Voltage: Understanding How Current Travels

  • gbaby370
  • · Replies 4 ·
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4

High School Electromagnet stick is the key to build a flying disk

  • tweedo
  • · Replies 9 ·
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9

Undergrad What is the relationship between voltage and the number of charged objects?

  • htttp
  • · Replies 2 ·
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2

High School Conventional Current Versus Electron Flow?

  • Plozen
  • · Replies 9 ·
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9

Graduate What would have been the Maxwell's equations if there were magnetic monopoles?

  • roshan2004
  • · Replies 2 ·
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2

Graduate Analysis of TE and TM Modes: A Closer Look

  • Karthiksrao
  • · Replies 15 ·
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15

Undergrad How do electrostatic feilds impact cloud chambers?

  • CloudChamber
  • · Replies 6 ·
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6

Graduate Electric Potential Energy defintiion

  • the-ever-kid
  • · Replies 13 ·
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13

Graduate Solving H_{s,\theta} and H_{i,\theta} Relationship on Planar Surface

  • Ameilucky
  • · Replies 1 ·
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1

Graduate Proving Gauss' Law for Any Topologically Closed Surface

  • zezima1
  • · Replies 8 ·
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8

Graduate Is space currently thought of as discrete or continuous?

  • Credulous
  • · Replies 3 ·
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3

High School Electricity- 2 objects of different power on same battery.

  • hasankamal007
  • · Replies 3 ·
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3

High School Fully Electric car with wind generators

  • gearhead
  • · Replies 45 ·
2
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Graduate Why does DC current not generate EMR?

  • suhasm
  • · Replies 3 ·
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3

Graduate Proof of symmetries in electrostatics

  • Trifis
  • · Replies 8 ·
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8

High School Solving Kirchoff's Law Questions: Finding Current Direction

  • gmx
  • · Replies 5 ·
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5

High School Why same current flows through resistors in series?

  • tasnim rahman
  • · Replies 3 ·
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3

Graduate Accelerating charged particles emit EM waves?

  • plazprestige
  • · Replies 3 ·
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3

Undergrad Electric Potential: Neg. Charge, Positive, Mid Point?

  • factfinder
  • · Replies 1 ·
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1

Undergrad How do magnets pull things if magnetic forces are incapable of doing work?

  • Raziel2701
  • · Replies 3 ·
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3

Undergrad Explanation of Electromagnetic Induction

  • Thundagere
  • · Replies 4 ·
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4

High School Are air resistance and buoyant force same

  • hasankamal007
  • · Replies 2 ·
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2

Undergrad Moment of Inertia and Frequency of Oscillation

  • UKDv12
  • · Replies 1 ·
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1

Undergrad Space ship design idea, how to approach with out air resistance

  • siiix
  • · Replies 13 ·
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Graduate Electric Field due to infinite charge distribution seems a paradox

  • sazmat
  • · Replies 6 ·
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6

High School Understanding the Direction of Current Flow

  • Alpharup
  • · Replies 12 ·
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12

Graduate Can Moving Masses Create a New Field Similar to Magnetic Fields?

  • Alpharup
  • · Replies 3 ·
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3

High School How do you work out the potential difference between two point charges?

  • CraigH
  • · Replies 4 ·
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4

Graduate How charge acceleration is dependent on radiation of electromagnetic wave?

  • aditya23456
  • · Replies 6 ·
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6

High School Question on Amps kills not Volts

  • A_Thinker
  • · Replies 1 ·
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1

Graduate How Does Moving an Electron Affect Proton-Electron System Energy?

  • sharma_satdev
  • · Replies 1 ·
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1

Undergrad The Photoelectric Effect and Temperature

  • Shmi
  • · Replies 5 ·
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5

Undergrad Calculate Magnetic Field of Electromagnet with Hollow-Iron Core

  • cb767
  • · Replies 6 ·
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6

High School Resistors, potential dividers and ohms law

  • Taylor_1989
  • · Replies 2 ·
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2

Undergrad Static electricity-spray paint and electrostatic precipitator

  • sgstudent
  • · Replies 2 ·
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2

Undergrad Explaining Faraday's Law: Why ε=2∅/Δt?

  • HelpMeh
  • · Replies 1 ·
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1

Undergrad Why does charge produce magnetic field

  • sheshank
  • · Replies 10 ·
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10

Undergrad Why proton test charges and not electrons?

  • AKBrown
  • · Replies 3 ·
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3

Graduate Can Ampere's Law Confirm Zero Magnetic Field in Non-Enclosing Loops?

  • jtabije
  • · Replies 1 ·
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1

Undergrad Electromagnetic Induction of a permanent megnet

  • markuz88
  • · Replies 5 ·
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5

Undergrad Modeling a Permanent Magnetic as a Dipole?

  • dedicateddan
  • · Replies 8 ·
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8

Undergrad Visualizing Electron Flow in Alternating Current Circuits

  • PhysicsBegner
  • · Replies 2 ·
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2

High School Need help understanding magnetism? Check out this comprehensive tutorial!

  • Genericcoder
  • · Replies 2 ·
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2

Graduate Gauss's Law for Magnetism Question

  • Only a Mirage
  • · Replies 4 ·
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4

Graduate Does macroscopic magnetic monopole contradict physics?

  • liumylife
  • · Replies 2 ·
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2

High School Can somebody give me a practice complex circcuit?

  • I_noscopedJFK
  • · Replies 1 ·
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1

High School Why Isn't Water Flowing Through My Tube Consistently?

  • jeffulot42
  • · Replies 3 ·
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3

Graduate Maxwell’s equations for oscillating electric dipole

  • humo90
  • · Replies 5 ·
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5

Undergrad Question on simple static magnetics

  • yungman
  • · Replies 8 ·
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8

Undergrad Can varying magnetic field cause eddy current in aluminum?

  • yungman
  • · Replies 17 ·
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17

Undergrad Magnetic field induction enigma?

  • Cluelessness
  • · Replies 1 ·
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1

Undergrad Linking current-carrying wires to magnets

  • Cluelessness
  • · Replies 5 ·
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5

Undergrad Capacitors in DC Circuits, and How it Affects Reactance & Current

  • The Head
  • · Replies 4 ·
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4

Undergrad Cathode Ray Tubes: Understanding the Role of Cathodes

  • marcmcgee
  • · Replies 2 ·
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2

Undergrad Mechanics behind an electrostatic precipitator

  • sgstudent
  • · Replies 3 ·
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3

Graduate Current density from charge density?

  • jjustinn
  • · Replies 2 ·
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2

Undergrad Van de graff generator gives the same current. How?

  • iVenky
  • · Replies 1 ·
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1

Undergrad Wire moving at constant speed in a magnetic field

  • elemis
  • · Replies 8 ·
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8

Undergrad Help with air resistance in projectile motion

  • AC-130U
  • · Replies 2 ·
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2

Undergrad Understanding Induced Current and EMF in Electromagnetic Induction

  • jsmith613
  • · Replies 171 ·
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171

Undergrad Understanding Faraday's Law and Its Effects on Conductors

  • cragar
  • · Replies 5 ·
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5

High School Building a more powerful electromagnet

  • Rozy94
  • · Replies 9 ·
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9

Graduate Dielectric constants in different directions - does this make sense?

  • VortexLattice
  • · Replies 4 ·
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4

Graduate Maxwell equations in Lorenz gauge

  • jjustinn
  • · Replies 8 ·
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8

High School Controlling Strength of Electromagnets: Risks & Effects

  • iWheeler
  • · Replies 10 ·
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10

Graduate Haow is magnetic permeability measured?

  • Hassan2
  • · Replies 2 ·
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2

Undergrad What is the way to determine the current in DC circuit with R,L,C

  • tsw99
  • · Replies 2 ·
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2

High School Resistance and Current: Does A1 = A2?

  • physics kiddy
  • · Replies 23 ·
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23

Graduate Love's equivalence principle for a perfect electric conductor

  • eliotsbowe
  • · Replies 4 ·
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4

High School What factors determine the maximum power a resistor can handle?

  • WarrickF
  • · Replies 6 ·
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6

Undergrad EPE at a point due to two point charges

  • elemis
  • · Replies 10 ·
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10

Undergrad Sound frequency dissapate's, By how much?

  • Kahlenda
  • · Replies 2 ·
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2

High School Resistance Voltage (V) Proportional to Current (I): Why R=V/I?

  • sreerajt
  • · Replies 7 ·
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7

Graduate Speed of a propagating electromagnetic field?

  • Exiguus
  • · Replies 5 ·
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5

Graduate So, what does this mean for the physical interpretation of a point dipole?

  • ShayanJ
  • · Replies 2 ·
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2

Undergrad Is All Electromagnetic Radiation Emitted by Charged Particles?

  • Froglet
  • · Replies 6 ·
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6

Undergrad Why Dissipation is Minimized in Power Line Transmission through High Voltage

  • The Head
  • · Replies 2 ·
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2

Graduate Calculating charge transferred between metal spheres

  • adaviel
  • · Replies 1 ·
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1

Graduate Moving charges: Describing its field as photons

  • McLaren Rulez
  • · Replies 3 ·
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3

Undergrad Photoelectric Effect and intensity of light

  • maxbur
  • · Replies 3 ·
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3

Graduate Can an electric field change faster than light?

  • Meizirkki
  • · Replies 14 ·
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14

Graduate Answer: Calculating Induced Current in NMR

  • simorgh
  • · Replies 26 ·
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26