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High School Confused regarding Electricity Basics; Helping Kid with Project

  • Bluesy
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11

Undergrad Antenna made from a pair of metal cones, radiation gain verses frequency.

  • Spinnor
  • · Replies 1 ·
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1

Undergrad Visualizing fields around coils (statics and magnetostatics)

  • SredniVashtar
  • · Replies 5 ·
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5

Undergrad E-field around charged finite wire - intractable or not?

  • Anachronist
  • · Replies 10 ·
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10

Undergrad Questions related to magnetic shielding separating two like poles

  • Freddie Dinsdale
  • · Replies 6 ·
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6

Undergrad Resonance peak for a driven RLC circuit - Physics 10th Edition

  • FranzDiCoccio
  • · Replies 2 ·
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2

Undergrad Shape and value of the Liénard–Wiechert potential

  • TCO
  • · Replies 5 ·
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5

Undergrad Behaviour of EM-wave near a non-resonant antenna

  • Timothy S.
  • · Replies 2 ·
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2

Undergrad Can the wavelength of electromagnetic waves infinitely close to 0hz

  • nmz
  • · Replies 6 ·
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6

Undergrad What accelerates the light back to its constant speed?

  • sibir1us
  • · Replies 5 ·
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5

Undergrad Numerical calculations of a railgun yielded disappointing results

  • Aeroflux
  • · Replies 4 ·
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4

Undergrad Parallel plate capacitor, charge imbalance VS charge redistribution

  • FusionJim
  • · Replies 1 ·
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1

Undergrad Gauss' Law - Does it apply even when there are external fields?

  • randomuser1
  • · Replies 9 ·
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9

High School Why Does My Toaster Hum Due to AC-Induced Magnetic Forces?

  • snoopies622
  • · Replies 22 ·
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22

Undergrad An intuitive explanation of multipole expansion

  • member 743765
  • · Replies 9 ·
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9

Undergrad Preventing Corona Discharge from Wimshurst Machine

  • jg21
  • · Replies 9 ·
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9

High School Coil that conducts direct current

  • south
  • · Replies 8 ·
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8

High School Rotating Capacitor: Concentrating energy using accessible technology

  • south
  • · Replies 5 ·
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5

Undergrad EM wave decomposition to axis components in the Rayleigh-Jeans cube

  • aliinuur
  • · Replies 1 ·
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1

Undergrad Building a Faraday cage with a conductive cloth and magnets

  • bibei
  • · Replies 10 ·
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10

High School Experiment issues (electromagnetism)

  • Tyler184
  • · Replies 42 ·
2
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42

Undergrad Need a good idea : 3D simulation of Inductive wireless power transfer

  • Hasan2022
  • · Replies 6 ·
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6

Undergrad Calculation of electromagnets with a hollow core

  • curious_science
  • · Replies 13 ·
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13

Undergrad Measure the Capacitance of a condenser

  • Luckyman_
  • · Replies 1 ·
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1

Undergrad Trying to create MHD drive for a boat

  • Lingrod
  • · Replies 6 ·
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6

High School What type of functions are these?

  • badr
  • · Replies 14 ·
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14

Undergrad Magnetic field when the area of the plates of a capacitor increases

  • gabriel109
  • · Replies 7 ·
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7

Undergrad Question about Capacitor current and electromagnetic induction

  • Esquilo
  • · Replies 16 ·
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16

Undergrad Appropriate coordinates for a given electric field

  • kirito
  • · Replies 4 ·
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4

Undergrad Electric field inside & outside of a spherical shell

  • mondo
  • · Replies 7 ·
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7

Graduate Penetration Depth of General Complex Conductivity

  • IDumb
  • · Replies 6 ·
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6

Undergrad Origin of coordinates in multipole expansion

  • mondo
  • · Replies 10 ·
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10

Graduate Numerical solution of the Poisson equation

  • ivantozavr
  • · Replies 3 ·
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3

Undergrad Field Strength of Permanent Magnets -- Inverse square or inverse cube?

  • pete94857
  • · Replies 9 ·
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9

Undergrad The difference between calculating energy from 1 vs. 2 magnets?

  • pete94857
  • · Replies 3 ·
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3

Undergrad Variation of the Strength of a Magnetic field?

  • pete94857
  • · Replies 7 ·
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7

High School Electric cars: Could the rotation of tires be used to generate electricity and lengthen range?

  • nite owl
  • · Replies 1 ·
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1

Undergrad Outside of two oppositely charged infinite planes

  • athenad07
  • · Replies 8 ·
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8

Undergrad What are the stable orientations for a dipole in an external e-field

  • athenad07
  • · Replies 1 ·
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1

Undergrad What is the significance of dipole moments in physics?

  • athenad07
  • · Replies 1 ·
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1

High School Why is there induced current in a DC motor?

  • shirozack
  • · Replies 2 ·
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2

Undergrad How do I calculate brake force for an eddy current brake?

  • Paul1999
  • · Replies 1 ·
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1

High School Why does my LC circuit not oscillate its energy between Electric & Magnetic fields?

  • James2018
  • · Replies 152 ·
6
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152

High School Why is the net acceleration of an electron in a conductor zero?

  • atharba
  • · Replies 13 ·
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13

Undergrad How induction works within a coil (nuances of it)

  • FusionJim
  • · Replies 6 ·
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6

Graduate Origin of Hertzian dipole radiation

  • Txema
  • · Replies 21 ·
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21

Undergrad What is the magnetic equivalent to the Coulomb?

  • fagricipni
  • · Replies 6 ·
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6

High School High voltage batteries and charge distribution

  • pravashwara
  • · Replies 1 ·
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1

Undergrad Why does the phase of the reflected wave from a denser medium change?

  • Malvina
  • · Replies 8 ·
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8

Undergrad Physical Significance of EM Plane Waves?

  • LarryS
  • · Replies 6 ·
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6

High School How does output voltage of an electric guitar work?

  • Xenon02
  • · Replies 165 ·
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Graduate Electromagnetic Skrymion Created

  • Hornbein
  • · Replies 0 ·
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0

Undergrad When is Ampere's Law applicable in different scenarios?

  • BlackMelon
  • · Replies 3 ·
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3

Undergrad [Q] Lorentz force in momentum conservation view

  • a1titude
  • · Replies 9 ·
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9

Undergrad Would an BLDC motor with rotor winded like a mirrored stator rotate?

  • fulano
  • · Replies 1 ·
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1

Undergrad What Materials Can Shield Electronics from a 3-Tesla MRI Magnetic Field?

  • Sodagit
  • · Replies 12 ·
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12

Undergrad Magnetic field as result of length contraction

  • Leureka
  • · Replies 20 ·
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20

Graduate Resistance Force on Gas in Magnetohydrodynamic Generator

  • bucky3052
  • · Replies 2 ·
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2

Undergrad Does path independence still hold if permittivity is non-uniform?

  • eyeweyew
  • · Replies 18 ·
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18

High School Curious about the uniform electric field between metal plates

  • hongseok
  • · Replies 8 ·
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8

High School Rubber Bands & Paper Attraction

  • Cluemore
  • · Replies 5 ·
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5

Undergrad Does Current Density Decay to Zero at Vortex Centers in 2D Systems?

  • fluidistic
  • · Replies 1 ·
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1

High School Why doesn't a charged particle moving at a constant speed radiate?

  • alikim
  • · Replies 2 ·
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2

Undergrad Modeling a ferromagnetic core moving inside a solenoid with scipy+FEMM

  • mkaluza
  • · Replies 1 ·
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1

Graduate Electric and magnetic field lines in a plane wave of finite extent

  • Kostik
  • · Replies 1 ·
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1

High School Some Questions about Electric Current/Capacitors to help my understanding

  • sadgirl
  • · Replies 7 ·
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7

Undergrad Electric arc length in relation to voltage

  • Alex Schaller
  • · Replies 14 ·
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14

Undergrad Electrical characteristics of a solenoid coil

  • core7916
  • · Replies 10 ·
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10

Undergrad Video: 'How electricity actually works'

  • cianfa72
  • · Replies 30 ·
2
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Undergrad Do electromagnetic fields have momentum?

  • cianfa72
  • · Replies 15 ·
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15

Undergrad How Does a Magneto Work in Aviation?

  • EdgarW
  • · Replies 15 ·
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15

Undergrad Charging a small metal ball from a charged hollow sphere

  • cianfa72
  • · Replies 4 ·
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4

Undergrad Potential difference between a battery's terminal and Earth ground

  • cianfa72
  • · Replies 58 ·
2
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58

Undergrad Energy transfer during gas discharge

  • user-000
  • · Replies 4 ·
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4

Undergrad Is This Correct Description of Magnetic Saturation?

  • audioresearch
  • · Replies 14 ·
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14

Undergrad Does a time varying magnetic field in vacuum produce electric field or not?

  • yashraj
  • · Replies 7 ·
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7

Undergrad Do electromagnetic waves fade with distance in vacuum?

  • yashraj
  • · Replies 2 ·
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2

Graduate Energy transfer with current in a dielectric

  • mcdonneldouglas
  • · Replies 5 ·
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5

High School Rogowski coil tension calculation formula

  • arivel
  • · Replies 17 ·
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17

Undergrad Conditions for applying Gauss' Law

  • jv07cs
  • · Replies 1 ·
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1

Undergrad Why Can Tzz in Maxwell's Stress Tensor Be Non-Zero in Electrostatics?

  • member 743765
  • · Replies 2 ·
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2

Undergrad Temperature vs Magnetic Strength (Flux) relationship in ferromagnets

  • shreyaan
  • · Replies 9 ·
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9

Undergrad Feynman Lectures Question on Figure 26-2: "It appears that action is not equal to reaction"

  • bob012345
  • · Replies 6 ·
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6

High School Magnet inside a solenoid with current

  • Heisenberg7
  • · Replies 7 ·
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7

High School Electric field on the equatorial line of a dipole

  • DrBanana
  • · Replies 4 ·
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4

High School Electric Field Inside a Hollow Sphere

  • Heisenberg7
  • · Replies 5 ·
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5

High School E. Potential Energy: Uniformly Charged Hollow Sphere and Point Charge

  • Heisenberg7
  • · Replies 4 ·
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4

Undergrad Confusion regarding insulator and conductors

  • chaos333
  • · Replies 1 ·
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1

High School How is the magnet being affected in this diamagnetic application?

  • billmeh
  • · Replies 2 ·
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2

Undergrad Electret with circular electric field

  • synch
  • · Replies 1 ·
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1

Undergrad Can anyone tell me what these formulas in electromagnetism are called?

  • Ren_Hoek
  • · Replies 5 ·
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5

Undergrad The potential on the rim of a uniformly charged disk

  • chaos333
  • · Replies 4 ·
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4

High School Force Exerted on a Conductor by a Homogeneous Magnetic Field

  • Heisenberg7
  • · Replies 1 ·
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1

High School Electric Field Created by a Finite Plate

  • Heisenberg7
  • · Replies 2 ·
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2

High School Electric Field Created by 2 Infinite Plates

  • Heisenberg7
  • · Replies 1 ·
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1

Undergrad Is this analogy between Magnetic Force and Gravitational Force accurate in helping to understand what contributes more to a stronger magnetic force?

  • Physicist-Writer
  • · Replies 11 ·
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11

Undergrad Getting a reduced voltage from a fixed secondary voltage of a transformer

  • avicenna
  • · Replies 8 ·
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8

Undergrad Question about microwave reflections

  • kelly0303
  • · Replies 3 ·
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3

High School Will My DIY Capacitor Light Up a 6VAC Bulb in Series?

  • avicenna
  • · Replies 12 ·
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12

Undergrad Controlling the location of a spark between two parallel rods

  • Connor11
  • · Replies 3 ·
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3