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High School Permanent Magnets: Factors that Reduce Magnetization

  • Crowxe
  • · Replies 5 ·
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5

Undergrad Inductance of a straight vs toroidal solenoid

  • htg
  • · Replies 2 ·
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2

Graduate Magnetix flux density & Zero scalar potential

  • baggiano
  • · Replies 2 ·
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2

Undergrad What Causes Electric Discharge and How Does Potential Difference Contribute?

  • Biologik
  • · Replies 1 ·
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1

High School MORE Magnetism questions. Here are a few more questions on Magnetism.

  • Biologik
  • · Replies 4 ·
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4

Graduate Trapping Iron Plate Motion Using Magnetic Shield

  • Crowxe
  • · Replies 1 ·
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1

High School The magnetic component of electromagnetism

  • Edward Block
  • · Replies 2 ·
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2

Graduate Thought Experiment: Portals, Magnets, and Power

  • ghost2
  • · Replies 6 ·
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6

Undergrad Photovoltaics: Does a Solar Cell Need Current to Work?

  • EvaristeG
  • · Replies 1 ·
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1

Undergrad Mass of an Electron: Physicist's Measurement Techniques

  • curiousphoton
  • · Replies 6 ·
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6

Graduate Radiating Fields & Static fields

  • azaharak
  • · Replies 11 ·
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11

Graduate Magnetic Reluctance: Examining Its Validity in Toroidal Solenoids

  • htg
  • · Replies 12 ·
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12

Graduate EFL: Electron-Free Lasers & Synchrotrons

  • oddiseas
  • · Replies 4 ·
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4

Graduate Solving LC Circuits with Qmax: Deriving Relationship for Q(t)

  • eprparadox
  • · Replies 6 ·
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6

Graduate How Does a Toroidal Coil's Magnetic Field Interact with a Bar Magnet?

  • cscott
  • · Replies 7 ·
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7

Undergrad How do different voltages affect parallel-connected batteries?

  • mapa
  • · Replies 3 ·
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3

Undergrad Confusing Electricity: Uncovering the Mysteries of Voltage and Resistance

  • Krb686
  • · Replies 5 ·
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5

High School Can you shape a magnetic field to increase its range?

  • TrustyDelux
  • · Replies 8 ·
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8

High School Understanding Magnetism: Why Are Some Substances Magnetic and Others Not?

  • Biologik
  • · Replies 1 ·
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1

Undergrad Magnetism and conservation of energy

  • royp
  • · Replies 7 ·
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7

Graduate Can EM Diffusion and Scattering by a Rod Be Analyzed?

  • guerom00
  • · Replies 5 ·
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5

Graduate How to measure the temperature of an arc discharge

  • Si14
  • · Replies 5 ·
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5

High School Questions about Repulsion Force: Is it Present & What Materials are Affected?

  • kadombing
  • · Replies 6 ·
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6

High School Light and electromangetic interference

  • jacc123456
  • · Replies 28 ·
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28

Undergrad Induced current in a static magnetic field

  • ncstebb
  • · Replies 7 ·
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7

Graduate A physical interpretation of classical electrodynamics

  • mysearch
  • · Replies 24 ·
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24

Graduate Electrostatic force calculations

  • MAEdwards
  • · Replies 1 ·
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1

Graduate Would this (classical magnetism) experiment be proved wrong?

  • abhijpillai
  • · Replies 3 ·
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3

Graduate Charged Particle Beam: Physics Analysis & Dynamics

  • sid_galt
  • · Replies 8 ·
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8

High School Levitate a coin using two powerful magnets

  • udaibothra
  • · Replies 3 ·
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3

Graduate Maxwell–Faraday equation symmetry violation

  • LostConjugate
  • · Replies 30 ·
2
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30

High School How do we know protons, neutrons and electrons exist?

  • ascendant
  • · Replies 5 ·
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5

High School Friction and Resistance - Inertia

  • keith m
  • · Replies 2 ·
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2

High School Correct term: thermal power & electrical power

  • _phillip
  • · Replies 5 ·
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5

Graduate Electromagnetic Field/Force Model

  • mysearch
  • · Replies 8 ·
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8

High School What happens if ammeter and voltmeter are connected wrongly?

  • seto6
  • · Replies 3 ·
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3

Undergrad Can an Inductor hold a charge?

  • physMommy
  • · Replies 4 ·
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4

Graduate Underlying Concepts of EMP generation & sustainence

  • Knightwars4
  • · Replies 3 ·
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3

Undergrad Is the Leyden Jar still charged even after discharging the metal parts?

  • cragar
  • · Replies 4 ·
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4

Undergrad What evidence supports the inverse square law in Coulomb's law?

  • yaseen shah
  • · Replies 1 ·
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1

High School Do magnetic feilds operate at a frequency?

  • Jbcourt
  • · Replies 13 ·
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13

High School A speaker produces a sound with a frequency of 1000hz. How many waves

  • Justin Kirk
  • · Replies 2 ·
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2

Graduate Couple magnetic experimental questions

  • khemist
  • · Replies 2 ·
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2

High School Magnetic feild in regard to aluminium

  • shaunbags
  • · Replies 2 ·
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2

High School Reading the resonant frequency of glass and aluminum

  • mapa
  • · Replies 17 ·
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17

Undergrad Electric Motor and Gas Engine Horsepower Equivalency

  • RandallLanier
  • · Replies 9 ·
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9

Undergrad Why does a moving magnet induce current in a stationary conductor?

  • coreluccio
  • · Replies 6 ·
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6

Undergrad How can I determine the frequency of excessive noise in a fireboat cabin?

  • M.D.G
  • · Replies 6 ·
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6

High School Understanding Circuit Basics: The Role of Resistors in Simple Current

  • ichigo444
  • · Replies 2 ·
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2

Graduate How Do Electric and Magnetic Fields Transform in Different Reference Frames?

  • ahmadicabara
  • · Replies 8 ·
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8

Undergrad Might This Work? A Diamagnetic Theory

  • ForgeMaster
  • · Replies 13 ·
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13

Undergrad Why do we call shorter EM wavelengths rays and longer ones waves?

  • Archosaur
  • · Replies 3 ·
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3

Undergrad Faraday Generator - Theoretical

  • royalacafella
  • · Replies 1 ·
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1

Undergrad Calculating Equivalent Resistance in Coated Substrate Circuits

  • Tanveer Saleh
  • · Replies 3 ·
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3

High School How Do Electrons Know Where to Go in a Circuit?

  • return42
  • · Replies 3 ·
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3

Graduate Calculating Dielectric Breakdown Voltage & Effects of Electrode Material

  • Tanveer Saleh
  • · Replies 5 ·
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5

High School The truth about electric current

  • Taturana
  • · Replies 17 ·
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17

Graduate Inductance problem, puzzles professors

  • fhqwgads2005
  • · Replies 2 ·
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2

Graduate Charge Conservation in Plasma Physics

  • hunt_mat
  • · Replies 6 ·
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6

Undergrad What are the differences between Biot-Savart Law and Ampere's Law?

  • abrowaqas
  • · Replies 1 ·
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1

Graduate Misure magmetic field by hakìll probe

  • cataldo
  • · Replies 1 ·
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1

Undergrad What is the Difference Between Current Density and Linear Charge Density?

  • abrowaqas
  • · Replies 2 ·
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2

Graduate Mutual Inductance: Total EMF from 2 Solenoids

  • azaharak
  • · Replies 8 ·
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8

Graduate Lorentz attractors and fractals

  • mnb96
  • · Replies 6 ·
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6

Undergrad Gaussian surfaces: Electric Field=zero

  • ichigo444
  • · Replies 2 ·
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2

Graduate Why isn't CHARGE a fundamental quantity rather than CURRENT?

  • tan99
  • · Replies 2 ·
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2

Graduate How Do I Calculate Time as a Function of Distance for Two Electrons in a Vacuum?

  • rebeka
  • · Replies 4 ·
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4

Graduate The hilarious phyiscs of Iron Man

  • vw77
  • · Replies 12 ·
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12

Graduate Propgating Electric Field Lines

  • mysearch
  • · Replies 11 ·
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11

Graduate Superconducting ring moving in magnetic field.

  • Mr.Particle
  • · Replies 7 ·
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7

Undergrad Relationship between current, drift velocity and thermal velocity

  • yanyin
  • · Replies 3 ·
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3

Graduate An experiment on magnetism and momentum?

  • enroger
  • · Replies 8 ·
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8

Graduate Electrical energy stored in solenoid

  • PhysForumID
  • · Replies 3 ·
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3

Graduate Density of electrons and quarks

  • jimjohnson
  • · Replies 5 ·
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5

High School Coulomb's vs Gauss's Law: What's the Difference?

  • abrowaqas
  • · Replies 6 ·
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6

Undergrad Understanding Electric Field Intensity of Point Charges

  • abrowaqas
  • · Replies 2 ·
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2

High School Convert Watts to Watt-hours - Marianne

  • maaariiianne
  • · Replies 5 ·
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5

Graduate A Charged Particle in a Uniform Electric Field

  • ThorX89
  • · Replies 3 ·
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3

Graduate Prove That Charge Distributes Uniformly on a Disk Conductor

  • fobos3
  • · Replies 13 ·
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13

Graduate Boundary value problem for non-conducting surface

  • gaganaut
  • · Replies 2 ·
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2

High School Is it able to convert electricity into propulsion force?

  • NGC 6751
  • · Replies 23 ·
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23

High School How much force can a 1000 lb electromagnet pull at 4-6 inches?

  • BrandSince85
  • · Replies 8 ·
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8

Undergrad Why do charges distribute differently in metallic and insulating spheres?

  • johncena
  • · Replies 3 ·
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3

High School Hydroelectric Dam: Energy Transformations

  • cj
  • · Replies 2 ·
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2

Undergrad Where Does the 4π in Coulomb's Constant Come From?

  • yaseen shah
  • · Replies 5 ·
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5

High School The effects of Temperature on Magnetism

  • AKam
  • · Replies 2 ·
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2

Undergrad Ohm's law, why current induces electric field and cause effect direction

  • Fernsanz
  • · Replies 67 ·
3
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67

Graduate Inhomogeneous electromagnetic wave equation

  • hunt_mat
  • · Replies 6 ·
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6

High School Why does air resistance increase with speed?

  • ap_cycles
  • · Replies 14 ·
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14

Undergrad Electrophoresis kinetic friction or not?

  • sameeralord
  • · Replies 1 ·
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1

Undergrad Electric Potential: Questions & Answers

  • jeekeshen
  • · Replies 13 ·
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13

Undergrad Tesla Coil Surprises Inside a Faraday Cage

  • cragar
  • · Replies 5 ·
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5

Graduate Energy of a charge configuration

  • zwoodrow
  • · Replies 3 ·
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3

Undergrad Definition of electric potential in case of negative charges

  • eliotsbowe
  • · Replies 4 ·
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4

Graduate Infinitesimals - finding the E field

  • Identity
  • · Replies 3 ·
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3

Graduate Finding the E field direction of integration

  • Identity
  • · Replies 2 ·
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2

Graduate High precision tests of Maxwell equations

  • telegramsam1
  • · Replies 14 ·
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14

High School Charge Leaks Out? Understand Property Leakage

  • johncena
  • · Replies 4 ·
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4

Graduate Earnshaw's Theorem: Why Can't I Contain a Charged Particle Electrostatically?

  • MaxwellsDemon
  • · Replies 9 ·
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9

Graduate Absence of an electron at a point creates a positive charge

  • johncena
  • · Replies 2 ·
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2