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Undergrad Force between walls of faraday cage and charge inside

  • goran d
  • · Replies 1 ·
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1

Undergrad Electric susceptibility vs relative permitivity

  • Nikitin
  • · Replies 2 ·
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2

Graduate Can Electrons in an Electrically Charged Gas Generate Voltage?

  • Crazymechanic
  • · Replies 4 ·
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4

High School Interesting video on high voltage in a capacitor

  • hazel1919
  • · Replies 7 ·
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7

High School Explaining the Phenomenon of Electric Charge in Straws

  • Numeriprimi
  • · Replies 4 ·
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4

High School Simple circuits and the direction of batteries

  • kjamha
  • · Replies 3 ·
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3

High School Current when resistors are connected in series.

  • ashwanibansal
  • · Replies 5 ·
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5

Graduate Power transferred from the sources to the electromagnetic field

  • EmilyRuck
  • · Replies 4 ·
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4

Undergrad Dialectric inserted into capacitor => creation of a double-capacitor

  • Nikitin
  • · Replies 5 ·
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5

Graduate Electromagnetic wave equation in Einstein Notation

  • smoking-frog
  • · Replies 1 ·
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1

Graduate Use of tensors for dielectric permittivity and magnetic permeability

  • EmilyRuck
  • · Replies 1 ·
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1

Graduate Maxwell Stress Tensor in the absence of a magnetic field

  • pafcu
  • · Replies 3 ·
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3

Undergrad How do we pick where to set electric potential equal to zero?

  • jerro
  • · Replies 2 ·
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2

High School Transistor activated by finger on base

  • mitocondrio
  • · Replies 4 ·
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4

Undergrad Why is there a voltage drop across an impedance?

  • CraigH
  • · Replies 3 ·
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3

Graduate The Volta Pille - how COULD it work

  • Drmarshall
  • · Replies 10 ·
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10

Graduate Current in superconductors when a voltage is applied.

  • JackA7X
  • · Replies 8 ·
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8

Undergrad Why Does a Positive Charge q Seem to Lose Kinetic Energy in the Diagram?

  • Miike012
  • · Replies 2 ·
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2

Undergrad Calculating the magnetic field in solenoid

  • rp8308
  • · Replies 2 ·
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2

High School How to wire given resistors to yield a total resistance?

  • Stank95
  • · Replies 15 ·
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15

Graduate Does EM Radiation Dissipate at a 1/r^5 Ratio for Circularly Polarized Waves?

  • counterphit
  • · Replies 9 ·
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9

Graduate Two wires with current - would this be correct?

  • Whovian
  • · Replies 6 ·
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6

Undergrad Conceptual Circuits: Understanding Electric Fields

  • GOPgabe
  • · Replies 1 ·
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1

High School How does positive charge spread out in conductors?

  • jperentosh
  • · Replies 3 ·
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3

Undergrad Faraday cage (hollow conductors)

  • Pepealej
  • · Replies 4 ·
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4

Undergrad Electrical Resistance of a Sphere?

  • greswd
  • · Replies 38 ·
2
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38

Undergrad Projectile motion, WITH ari resistance

  • timman_24
  • · Replies 22 ·
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22

High School Do I Genghis Khans' electrons?

  • tempneff
  • · Replies 20 ·
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20

High School What is the total charge stored by parallel plate capacitors?

  • Bashyboy
  • · Replies 2 ·
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2

Graduate Phase shift upon reflection of electromagnetic wave

  • freddyfish
  • · Replies 1 ·
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1

Graduate Theremin Hand Capacitance Approximation Needed

  • theremins_r_us
  • · Replies 10 ·
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10

Undergrad Is this a correct definition of one volt?

  • CraigH
  • · Replies 5 ·
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5

Undergrad Where Should I Place the Gaussian Surface When Applying Gauss's Law?

  • moatasim23
  • · Replies 6 ·
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6

High School Condensers connected in series

  • Nikitin
  • · Replies 5 ·
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5

Undergrad Current of electricity- power of a resistor in parallel

  • vadevalor
  • · Replies 3 ·
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3

Undergrad Moving Charges and Magnetic Moments

  • quantumfoam
  • · Replies 25 ·
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25

Undergrad Potential Difference and Capacitors

  • RealGambit
  • · Replies 8 ·
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8

High School How Strong Must a Magnetic Field Be to Attract a Magnetic Item from 1 Meter?

  • Neutrino98
  • · Replies 2 ·
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2

Undergrad Not having a good understanding of Gauss's Law

  • member 392791
  • · Replies 1 ·
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1

Undergrad Resistance in a series circuit

  • kjamha
  • · Replies 2 ·
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2

Undergrad Separated paraLLEL COILS WITH MAGNETIC FLUX INTO ONE

  • dennisk
  • · Replies 2 ·
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2

Undergrad Is the electrical charge of atomic particles correlated with mass?

  • cooksta
  • · Replies 1 ·
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1

Undergrad How magnets attract objects mechanically?

  • dejesusluisx1
  • · Replies 11 ·
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11

Graduate Hessian matrix of potential energy in electrostatic system

  • francesco_ljw
  • · Replies 1 ·
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1

Graduate Coulomb law dedution from Maxwell equations

  • tsuwal
  • · Replies 3 ·
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3

Undergrad Amperes Law conceptual confusion.

  • Eats Dirt
  • · Replies 2 ·
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2

Graduate Mawell equations with monopoles

  • nos
  • · Replies 3 ·
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3

Undergrad Is the UK's electrical system safer due to its grounding configuration?

  • infomike
  • · Replies 16 ·
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16

Graduate Deriving electromagnetic fieldfor point charge

  • nos
  • · Replies 1 ·
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1

High School Basic question on resistance - seeking a better understanding

  • kjamha
  • · Replies 17 ·
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17

Graduate Will free electrons experience its own electric/magnetic field?

  • iaMikaruK
  • · Replies 20 ·
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20

High School Amplitude of all electromagnetic wave are same ?

  • Outrageous
  • · Replies 1 ·
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1

Undergrad Acoustic Length in Pipe/Tube Explained - Physics Lab

  • polaris90
  • · Replies 2 ·
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2

Graduate Understanding Complex Valued Magnetic Fields

  • chrisjk
  • · Replies 1 ·
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1

Graduate Field of a uniformly charged disk

  • ehabmozart
  • · Replies 8 ·
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8

Graduate Electric current in the human body

  • infomike
  • · Replies 10 ·
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10

Undergrad Does a Conical End Affect the Magnetic Field Strength of a Solenoid?

  • mkbh_10
  • · Replies 2 ·
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2

High School Why won't the lightbulb light up in this circuit?

  • jperentosh
  • · Replies 3 ·
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3

Undergrad Why Does an Accelerated Charge Emit Photons and Lose Energy?

  • deep838
  • · Replies 5 ·
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5

Graduate Is electromagnetic wave a matter itself?

  • Markovnikov ya
  • · Replies 2 ·
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2

Undergrad How do you measure Electromagnetic wavelength?

  • g.lemaitre
  • · Replies 3 ·
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3

Undergrad Can Photons Generate Electromagnetic Waves Without Being Charged?

  • Markovnikov ya
  • · Replies 11 ·
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11

Graduate Energy stored in charged ring current

  • michael879
  • · Replies 1 ·
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1

Graduate Calculating Gauss of electromagnet

  • JCBII
  • · Replies 3 ·
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3

Undergrad What Causes Counter EMF in Electric Motors?

  • Tommy1995
  • · Replies 4 ·
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4

Undergrad Can an electromagnet effectively trap metal particles in a cube?

  • cashflow
  • · Replies 5 ·
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5

Graduate Capacitance of a Fractal Surface

  • gvjt
  • · Replies 9 ·
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9

Undergrad How Does the Source of EMF Change with Movement in a Magnet and Coil System?

  • Roodles01
  • · Replies 34 ·
2
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34

High School Baterries in parallel and series

  • jonah.seler
  • · Replies 2 ·
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2

Undergrad Is current flow the same as current flux in electromagnetics?

  • Cole A.
  • · Replies 14 ·
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14

Graduate Walter Lewin's Riddle at 37:00: The Surprising Conductor Plate Spark Explanation

  • Nikitin
  • · Replies 4 ·
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4

Undergrad Electron transition in bohr's model

  • quicksilver123
  • · Replies 6 ·
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6

High School What pushes the charge from one terminal to another?

  • Markovnikov ya
  • · Replies 4 ·
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4

Undergrad Circuit with 2 Batteries and 6 Resistors

  • riane
  • · Replies 1 ·
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1

High School Why an electromagnet doesn't makes a short circuit?

  • mitocondrio
  • · Replies 8 ·
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8

Graduate Maximum Charge on Designed Capacitor

  • gvjt
  • · Replies 8 ·
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8

Undergrad Formula for calculating current and or voltage in a coil

  • Swifters
  • · Replies 9 ·
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9

Undergrad Why does a magnetic field repel moving charges?

  • quantumfoam
  • · Replies 19 ·
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19

Undergrad Physics related to Aurora Borealis help?

  • lunaskye0
  • · Replies 1 ·
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1

Graduate How does movement of an electric charge create a magnetic field?

  • mpatryluk
  • · Replies 8 ·
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8

Undergrad Will an oscillating magnetic field penetrate a stainless steel tube?

  • marson
  • · Replies 2 ·
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2

Graduate Efficient DC Transformer Design with Toroidal Ring and Magnetic Fluid Technology

  • Crazymechanic
  • · Replies 4 ·
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4

Undergrad Building an LC Circuit powered by 60Hz AC Current

  • berkh
  • · Replies 9 ·
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9

Graduate Estimate of photons/electron/cycle for radio antenna?

  • Spinnor
  • · Replies 7 ·
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7

Undergrad Creating a Low-Friction Box with Magnetic Tracks

  • RetroSpectrum7
  • · Replies 3 ·
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3

Undergrad The translational force on a piece of iron in a magnetic field

  • deep838
  • · Replies 10 ·
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10

Graduate NMR Magnetic Moment: Understanding Bloch Equations and Relaxation Terms

  • the_kid
  • · Replies 6 ·
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6

High School What is the upper limit of magnetic density?

  • Low-Q
  • · Replies 1 ·
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1

Graduate Calculating Magnetic Field Outside a Finite Solenoid Using Elliptic Integrals

  • TheHossein
  • · Replies 1 ·
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1

Undergrad Max Power from Coil in Magnetic Flux: Turns, Voltage, Current

  • sonlinh
  • · Replies 9 ·
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9

Undergrad Distribution of positive charge in conductors

  • jperentosh
  • · Replies 3 ·
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3

High School How do we draw electric field lines for a negative charge in a vacuum?

  • ehabmozart
  • · Replies 1 ·
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1

Graduate Destabilizing Molecules Through Electron Rearrangement?

  • jaketodd
  • · Replies 21 ·
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21

High School Number of electrons when something is charged

  • jperentosh
  • · Replies 3 ·
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3

Undergrad Why does an a moving charge spin in a magnetic field

  • quantumfoam
  • · Replies 11 ·
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11

Undergrad Difference between These Electric Field Formulas

  • wahaj
  • · Replies 3 ·
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3

High School Electric Charge- why is the electron the negative

  • coffeebird
  • · Replies 4 ·
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4

Graduate Simulating Angular Momentum and Torque in Particle Interactions

  • darkdave
  • · Replies 33 ·
2
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33

High School How is uniform electric field produced?

  • ehabmozart
  • · Replies 1 ·
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1

Undergrad What core design of an electromagnet will maximize field at more distance

  • dlbeeson
  • · Replies 22 ·
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22