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Undergrad Energy cost during neodymium magnet production?

  • wild20
  • · Replies 3 ·
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3

Undergrad Creating Linear Dynamo - Instructions for Les

  • Lap9387
  • · Replies 1 ·
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1

Undergrad Coil Design for Uniform Magnetic Field?

  • Cburg1
  • · Replies 1 ·
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1

High School Capacitors in Cars: What Parts & Types?

  • wzheng1837
  • · Replies 5 ·
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5

Undergrad If a conductor gets an induced charge is then grounded

  • 1MileCrash
  • · Replies 2 ·
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2

High School Question about magnets repulsion

  • Kristupas
  • · Replies 1 ·
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1

High School What Are Positive and Negative Charges in Electrical Current Flow?

  • bob_rant
  • · Replies 2 ·
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2

Graduate Finite element simulation of a solenoid

  • daudaudaudau
  • · Replies 3 ·
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3

Graduate Building an Electron Pump - NPL Physics Academy

  • Mukilab
  • · Replies 3 ·
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3

Undergrad Electric potential at certain point from charged sphere

  • TheCammen
  • · Replies 1 ·
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1

Graduate Generating Electromagnetic Waves

  • Caio Ferrari
  • · Replies 2 ·
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2

Undergrad Can an Electro-Permanent Magnet Work as a Temporary Lifting Device?

  • ctech4285
  • · Replies 1 ·
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1

Undergrad Strength of magnets in an array

  • RyderS
  • · Replies 1 ·
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1

Graduate Is Gauss' Law Applicable to Dynamic Charges and All Surfaces?

  • GRDixon
  • · Replies 36 ·
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36

High School What are the main applications of aluminum capacitors?

  • wzheng1837
  • · Replies 16 ·
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16

Graduate How Can Terrawatt Years Enable Oxygen Production on Mars?

  • robertjford80
  • · Replies 7 ·
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7

Undergrad Drift velocity and charging a capacitor.

  • jhammin
  • · Replies 3 ·
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3

Graduate What is the Origin of the Electric Field in F-N-L's Law?

  • Ryuzaky
  • · Replies 3 ·
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3

Graduate E-Field Attenuation: Causes & Effects

  • Apteronotus
  • · Replies 5 ·
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5

Graduate Whats the acceleration of an electron in lightning?

  • clearwater304
  • · Replies 1 ·
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1

High School What is voltage and why is it important in understanding electricity?

  • fydp014
  • · Replies 27 ·
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27

Graduate Inverse/Anti - Divergence? Maxwells Eqns.

  • iLIKEstuff
  • · Replies 7 ·
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7

Graduate Divergence questions from Griffith's Electrodynamics

  • Curtis15
  • · Replies 11 ·
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11

Graduate Anti-Helmholtz coil configuration

  • Niles
  • · Replies 3 ·
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3

High School Can Magnets Really Produce Endless Energy?

  • codeoverride
  • · Replies 2 ·
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2

Undergrad Ceramic Magnets and their durability in temperature fluctuations

  • bluerayz
  • · Replies 3 ·
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3

Undergrad Good conductor of electricty => Good conductor of heat?

  • jobsism
  • · Replies 5 ·
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5

Graduate How to modal a voltage gradient from a single cylinder

  • Wondering
  • · Replies 1 ·
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1

High School Is it safe to use electronics on a maglev train or a magnetically levitated bed?

  • mthoma3
  • · Replies 1 ·
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1

Graduate Momentum Stored inside an Electromagnetic Field

  • BVM
  • · Replies 4 ·
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4

Graduate Gauss's law and Moving Charges

  • Opus_723
  • · Replies 5 ·
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5

Graduate Can someone explain electromagnetism?

  • iced199
  • · Replies 4 ·
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4

Undergrad How to calculate resistivity of coaxial cylinder

  • jacobier
  • · Replies 11 ·
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11

Graduate Coriolis force could generate currents?

  • Stanley514
  • · Replies 1 ·
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1

High School Magnetic field lines direction.

  • antel-x
  • · Replies 12 ·
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12

High School If Cars Had Magnets: What Would Happen?

  • Chemicist
  • · Replies 8 ·
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8

Undergrad Electromagnetic Waves' Magnetic Component

  • personpersonp
  • · Replies 2 ·
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2

Undergrad Understanding Capacitor Discharge in Ideal and Real Circuits

  • ledin12
  • · Replies 3 ·
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3

Undergrad Voltage spawning a cathode ray

  • vanmaiden
  • · Replies 2 ·
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2

Undergrad Why do we use alloys for electric heaters?

  • hasankamal007
  • · Replies 16 ·
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16

Undergrad How is the mass of an electron/proton measured?

  • Michio Cuckoo
  • · Replies 13 ·
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13

Undergrad Why is the electric field strong in sharp points?

  • iampaul
  • · Replies 1 ·
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1

Graduate Electric potential of a conducting rod in a homogen. electric field

  • antel-x
  • · Replies 5 ·
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5

Graduate What is Gauss' Law for Dielectrics and How Does it Account for Polarization?

  • aaaa202
  • · Replies 5 ·
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5

Undergrad Force on a long straight wire help

  • Lost4468
  • · Replies 4 ·
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4

Undergrad Point Charges Composing A Sphere

  • RockMc
  • · Replies 3 ·
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3

Graduate Solving Linear Dielectric Eqns for E & P

  • aaaa202
  • · Replies 1 ·
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1

High School Effect of magnetism on water molecules

  • Faraday123
  • · Replies 2 ·
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2

High School Why do magnetic fields appear when an electric current passes through a wire?

  • cheah10
  • · Replies 2 ·
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2

High School Electron & Proton: An Explanation

  • Simon Rol
  • · Replies 1 ·
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1

Undergrad Wheel acceleration in relation to vertical LOAD and current speed

  • raze29
  • · Replies 3 ·
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3

Undergrad Short Circuit Current, EMF, Internal Resistance

  • geoff.bray
  • · Replies 4 ·
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4

Graduate Can Superconducting Coils Produce Voltage Without Inductance?

  • nemesiswes
  • · Replies 7 ·
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7

Undergrad Understanding Flux Between Two Magnets

  • dorker
  • · Replies 4 ·
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4

Undergrad Magnetism of Hematite Cylinders: Laser Carving & Effects

  • rdnyisaac
  • · Replies 3 ·
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3

Graduate Electric potential distribution in a volume of varying conductivity

  • eman3
  • · Replies 5 ·
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5

Graduate E field distribution in spark discharge

  • fnsaceleanu
  • · Replies 6 ·
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6

Graduate Understanding on potential near a charge

  • rajeshmarndi
  • · Replies 5 ·
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5

Graduate Speed of electric spark, arc and conductive ionized gas

  • AlSo
  • · Replies 2 ·
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2

Undergrad Does Newton's Third Law apply to magnetism?

  • cryora
  • · Replies 1 ·
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1

Undergrad Directionality of sound vs. frequency

  • tinkeringone
  • · Replies 2 ·
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2

High School I don't intuitively believe that

  • nhmllr
  • · Replies 12 ·
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12

Undergrad Calculating Energy Transfer Efficiency in Electric Motors

  • DreamChaser77
  • · Replies 13 ·
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13

Graduate Gamma Ray Decay to potential watts

  • ANarwhal
  • · Replies 6 ·
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6

Graduate Is There a Parallel Between Gravity and Electricity?

  • Superstring
  • · Replies 9 ·
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9

High School Attraction - why do electrons and protons attract each other?

  • scientifico
  • · Replies 16 ·
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16

Undergrad Charge density causing an Electric Field

  • RP8
  • · Replies 1 ·
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1

Graduate Effects of oscillations of electrons

  • physio
  • · Replies 1 ·
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1

Undergrad Underanding voltage and electron's energy loss

  • Steve143
  • · Replies 7 ·
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7

High School Current flow direction indication in circuit diagrams

  • apurvmj
  • · Replies 1 ·
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1

Graduate Is a faraday Field an electric field?

  • zezima1
  • · Replies 10 ·
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10

Graduate Charge distribution inside the electron ?

  • mkbh_10
  • · Replies 1 ·
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1

Graduate Jackson Electrodynamics syllabus

  • biubiu
  • · Replies 1 ·
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1

Undergrad Energy required to charge up a capacitor

  • Maxwell1
  • · Replies 1 ·
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1

High School Magnetic generator power rating

  • barendfaber
  • · Replies 8 ·
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8

Graduate The current state of Navier-Stokes existence and smoothness

  • AVFistula
  • · Replies 3 ·
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3

Undergrad Is There a Connection Between Charge and Energy?

  • Zubeen
  • · Replies 20 ·
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20

Undergrad Force between magnet and metal

  • McSquirrel
  • · Replies 2 ·
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2

Undergrad Where do the electrons go in a CRT

  • Eugbug
  • · Replies 15 ·
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15

Undergrad Faradays law/Lens law: how does the induced emf 'act'

  • thisischris
  • · Replies 3 ·
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3

Graduate Cylinder with uniform magnetization

  • aaaa202
  • · Replies 1 ·
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1

Undergrad Relating the lenz's law which is making me crazy

  • ehabmozart
  • · Replies 2 ·
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2

Undergrad Electric flux through a closed surface

  • iampaul
  • · Replies 10 ·
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10

Graduate Solving the Landau-Lifgarbagez-Gilbert Equation for Ferromagnetism

  • dorker
  • · Replies 2 ·
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2

Graduate Dynamic Maxwell equations, uniqueness theorem, steady-state response.

  • eliotsbowe
  • · Replies 2 ·
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2

Undergrad Electromagnetic induction question

  • e44-72
  • · Replies 4 ·
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4

High School Question: Are the capacitors in series or parallel in this circuit?

  • jsmith613
  • · Replies 16 ·
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16

High School Charge of an electron in Coulombs?

  • mosad655
  • · Replies 9 ·
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9

High School Applying the left/right hand rule to a wire with current

  • thisischris
  • · Replies 16 ·
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16

High School Faraday Lenz law are just getting me more confused

  • ehabmozart
  • · Replies 1 ·
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1

Undergrad What does Maxwell's equations mean?

  • zafari
  • · Replies 4 ·
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4

Undergrad Is V=Blv the Key to Proving the Equation V=Blv?

  • jsmith613
  • · Replies 4 ·
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4

Undergrad Force on a wire carrying current

  • ehabmozart
  • · Replies 1 ·
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1

Undergrad Distribution of charge in two charged capacitors joined in a circuit

  • thisischris
  • · Replies 4 ·
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4

High School Alternating current and Direct current?

  • lanzo
  • · Replies 7 ·
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7

High School Heat transfer between resistance and water

  • Carcul
  • · Replies 4 ·
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4

Undergrad Why Does the CRO Spot Move Upward Despite the Left Hand Rule Expectation?

  • loksipan
  • · Replies 13 ·
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13

Graduate Capacitance of two tangential spheres

  • Ans426
  • · Replies 5 ·
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5

Graduate Response delay in Capacitive Humidity Sensors

  • apj_anshul
  • · Replies 4 ·
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4

Graduate Doubt about magnetic permeabilty

  • goodluckchuck
  • · Replies 10 ·
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10