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Undergrad Eddy Current Force: Equation & Derivation

  • mertcan
  • · Replies 8 ·
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8

Graduate There are two solutions in one image-charge problem?

  • garylau
  • · Replies 2 ·
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2

Undergrad Magnetic Paramagnetic Diamagnetic

  • GabrieleCitossi
  • · Replies 1 ·
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1

Graduate Two questions on Newton Fluxions

  • jonjacson
  • · Replies 1 ·
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1

Graduate Electrostatic force on polymer particle in an electric field

  • Funner
  • · Replies 2 ·
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2

Undergrad Magnetic field created by a wire acts on the wire itself?

  • physics user1
  • · Replies 3 ·
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3

Undergrad High Voltage in a Cloud Chamber?

  • Jayssos
  • · Replies 17 ·
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17

Undergrad How did Maxwell find the speed of light

  • stephen8686
  • · Replies 4 ·
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4

High School Understanding Ohm's Law: Electric Current & Potential Difference

  • donaldparida
  • · Replies 1 ·
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1

Undergrad Electric field inside a sphere

  • jackyyoyoyo
  • · Replies 9 ·
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9

Graduate Converstion of radiant flux (watts) to temperature (C)

  • Joel DB
  • · Replies 1 ·
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1

High School How Do Sound and Light Differ in Their Propagation?

  • stoomart
  • · Replies 8 ·
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8

Undergrad Electric Field Strength-conceptual question

  • iochoa2016
  • · Replies 4 ·
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4

Graduate Cause of multiple paths of electrical breakdown?

  • Diane Wilbor
  • · Replies 5 ·
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5

Undergrad Remembering Lenz's Law: An Easier Way?

  • AaromTheBritt
  • · Replies 2 ·
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2

Undergrad Photoelectric Effect: Electron Flow Explained

  • Leong
  • · Replies 5 ·
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5

High School Why can't induced EMF in a straight conductor produce a current?

  • Asad Raza
  • · Replies 3 ·
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3

High School Magnetic field strength dependent on distance from source

  • babemagnetics
  • · Replies 26 ·
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26

Undergrad Em waves and magnetic field lines

  • physics user1
  • · Replies 4 ·
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4

High School Creating Magnetic Field Using Electric Lighter and Notebook?

  • Marcin H
  • · Replies 4 ·
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4

Undergrad Pendulum in vacuum vs with air resistance

  • loesung
  • · Replies 2 ·
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2

Graduate Struggling to understand what Faraday's law says

  • Johnls
  • · Replies 2 ·
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2

High School Solar Cell Current increases as Resistance increases Problem

  • PVJ2016
  • · Replies 3 ·
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3

Graduate Can stationary permanent magnet do work?

  • goran d
  • · Replies 2 ·
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2

Graduate ELECTRIC CHARGE AND FIELDS

  • killershek
  • · Replies 1 ·
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1

Undergrad Graphite electromagnetic induction

  • hackhard
  • · Replies 2 ·
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2

Undergrad Lightning discharge's effect on rain fall velocity?

  • bahamagreen
  • · Replies 20 ·
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20

Graduate Electronic Noise General Questions - Laboratory Setting

  • MxwllsPersuasns
  • · Replies 3 ·
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3

Undergrad How to calculate the electrical field of planets?

  • enchantinggust
  • · Replies 8 ·
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8

Undergrad Damping coefficient in RLC model (piezoelectric transducer)

  • piezo_student
  • · Replies 2 ·
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2

Graduate Electromagnetic Radiation temperature

  • Df241
  • · Replies 2 ·
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2

Graduate Induced potential - when do you have to consider EM waves?

  • yabb dabba do
  • · Replies 1 ·
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1

Graduate What is the magnetic field inside a cylinder?

  • Jefferson Yun
  • · Replies 1 ·
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1

High School Understanding Transformer Equations and Flux Linkage in AC Power Sources

  • Clara Chung
  • · Replies 6 ·
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6

Undergrad Resistance and Inertia: How Foundation Size Affects Seismic Movement

  • fanieh
  • · Replies 1 ·
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1

Graduate Relativistic electron Moving through toroidal superconductor

  • Samson4
  • · Replies 11 ·
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11

Graduate Influence of Orbitals on the mass of the electron

  • Uzbar Zibil Tarag
  • · Replies 3 ·
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3

Graduate Role of accelerating voltage in Davisson Germer experiment

  • Ahsan Khan
  • · Replies 9 ·
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9

Undergrad Magnetic Field: Inside & Outside Current Carrying Wire

  • dontwannatellyou
  • · Replies 2 ·
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2

Undergrad Detect current direction in water

  • hackhard
  • · Replies 7 ·
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7

Graduate (RLC in series) What is the R Voltage when at resonance?

  • Gjagur
  • · Replies 8 ·
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8

Undergrad Spreading of electric current -- start signals in a circuit

  • sweet springs
  • · Replies 8 ·
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8

Graduate What propagates changes of Coulomb force?

  • sweet springs
  • · Replies 6 ·
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6

Graduate Discontinuities in the time derivative of the magnetic field

  • Nolan
  • · Replies 9 ·
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9

Undergrad Resistance: Dissipated power in collision model

  • greypilgrim
  • · Replies 5 ·
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5

Graduate Oscillating Electron Beam potential between metal plates

  • SunRay-dvsh
  • · Replies 7 ·
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7

High School 3 basic question about Coulomb's Law

  • MetaUniverse
  • · Replies 7 ·
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7

Graduate Why would a magnetic monopol's field be 1/r^2?

  • Yonah
  • · Replies 5 ·
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5

Undergrad Why does a metal ring, slid onto a solenoid, fly off?

  • iScience
  • · Replies 6 ·
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6

Undergrad Make a Magnetic Field Detector to Find Earth's Dip Angle

  • arydberg
  • · Replies 3 ·
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3

Graduate Boundary condition for dielectric sphere

  • lonewolf219
  • · Replies 2 ·
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2

High School Can I understand Maxwell's equations on a very basic level?

  • Mary curie
  • · Replies 13 ·
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13

High School Electric Energy: How is it Gained and Lost in Electricity?

  • ImpCat
  • · Replies 6 ·
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6

High School What Led Galvani to Link Frog Movement with Electricity in 1771?

  • genefalk
  • · Replies 7 ·
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7

High School Photoelectric effect suddenly stopped working help

  • cruxx
  • · Replies 9 ·
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9

High School Calculate Solenoid Self Force Pressure w/ Corrected B Field

  • RingNebula57
  • · Replies 2 ·
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2

Graduate Intensity of EM wave independent of frequency?

  • greypilgrim
  • · Replies 8 ·
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8

Undergrad Why Does Static Electricity Behave Unpredictably in Everyday Phenomena?

  • StrawberryElf
  • · Replies 7 ·
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7

Undergrad Why don't induced charges cancel each other out?

  • OmegaKV
  • · Replies 2 ·
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2

Undergrad Is the magnetic field conservative or nonconservative?

  • Isaac0427
  • · Replies 13 ·
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13

High School Free Electrons: Causes of Release Explained

  • StrawberryElf
  • · Replies 8 ·
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8

Graduate Effect on electrostatic charge from accelerating electrons

  • msat
  • · Replies 9 ·
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9

Undergrad How Did Stephen Gray Conceptualize Sending Electricity Through a Wire in 1729?

  • genefalk
  • · Replies 2 ·
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2

Undergrad Calculating pre-charge of capacitors on electric vehicle

  • t00mas
  • · Replies 2 ·
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2

Undergrad Does net charge affect resistance?

  • greypilgrim
  • · Replies 3 ·
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3

Undergrad How Does Amplitude Affect Frequency in Sound Waves?

  • JohnnyGui
  • · Replies 31 ·
2
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31

Undergrad Visualization of electric field around dipole antenna

  • GhostLoveScore
  • · Replies 1 ·
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1

Undergrad Permeability/Permittivity: Any physical significance?

  • Battlemage!
  • · Replies 4 ·
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4

Undergrad Where do magnets get their energy?

  • Jimmy87
  • · Replies 18 ·
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18

High School Lenz's law questions from a dad of a smart son

  • cruxx
  • · Replies 31 ·
2
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31

Undergrad Why does LED shunt resistance decrease with increasing T?

  • Kara386
  • · Replies 6 ·
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6

Graduate Displacement and Pressure in acoustics

  • zpatenaude37
  • · Replies 7 ·
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7

High School What is the use of a grounding stick

  • hackhard
  • · Replies 10 ·
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10

Graduate Magnetization currents of Magnets with μ_r close to 1

  • particlezoo
  • · Replies 11 ·
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11

Graduate Capacitance - does a general approach really exist?

  • coquelicot
  • · Replies 13 ·
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13

Graduate Induced Magnetic Moment (vector) vs. Induced EMF (scalar)

  • particlezoo
  • · Replies 2 ·
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2

Graduate Electrostatics problem: Metal coupled to a semiconductor

  • aaaa202
  • · Replies 3 ·
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3

High School How to tell if a (chargeable or not) battery is bad?

  • swampwiz
  • · Replies 1 ·
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1

Graduate Photons, Protons, and Electrons

  • David hzf
  • · Replies 11 ·
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11

Undergrad Magnetic Attraction: Is Bar Magnet Symmetrical?

  • thetexan
  • · Replies 3 ·
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3

Graduate What is the vector magnetic potential for a rod extending along the Z-axis?

  • Vaclav
  • · Replies 4 ·
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4

Undergrad Plotting magnetic field lines between two adjacent NS poles

  • magnetics
  • · Replies 5 ·
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5

Undergrad Voltage applied to urchin-like iron spheres in salt water?

  • Misha Kuznetsov
  • · Replies 5 ·
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5

Undergrad How to write the relationship of B and E in vector form

  • garylau
  • · Replies 1 ·
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1

Graduate Faraday Rotation Effect Lab -- sources of components....

  • Dan LaSota
  • · Replies 2 ·
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2

Graduate What Happens to Inductor Current When the Switch is Opened?

  • cnh1995
  • · Replies 24 ·
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24

Graduate Why cant thelectric field be in circumferential direction?

  • garylau
  • · Replies 10 ·
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10

Undergrad Why Does an RL Circuit Use a Negative Sign in the Inductor Term?

  • garylau
  • · Replies 13 ·
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13

Graduate What could be causing unexpected voltage results in a seawater battery system?

  • TrpnBils
  • · Replies 23 ·
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23

Graduate Where Can I Find Good Books on Maxwell's Demon?

  • fezster
  • · Replies 2 ·
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2

Undergrad Using two electromagnets to study self-inductance

  • Asmaa Mohammad
  • · Replies 11 ·
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11

High School Electric Field Lines: Does Positive Test Charge Follow?

  • Mausam
  • · Replies 1 ·
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1

Undergrad Inducing and induced charges -- can be equal or not?

  • gracy
  • · Replies 16 ·
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16

Graduate Maxwellian velocity distribution vs. speed distribution

  • weezy
  • · Replies 3 ·
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3

Undergrad Verify particle nature of electron using blackbody radiation

  • Neha98
  • · Replies 5 ·
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5

Undergrad EMFs, what energy comes off items? How to explain?

  • bullmatterson
  • · Replies 5 ·
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5

Undergrad P=U*I: Why do electrons drop ALL energy e*U in the circuit?

  • greypilgrim
  • · Replies 7 ·
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7

Undergrad Water model for electric circuits: Pipe diameter?

  • greypilgrim
  • · Replies 4 ·
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4

Undergrad Electric potential. In circuits. + -

  • Logical Dog
  • · Replies 7 ·
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7

Undergrad Why Didn't Glass Break When Tone at 775.195 Hz Played?

  • btb4198
  • · Replies 15 ·
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15