Electromagnetism Forum

Threads

Graduate Is gravity just electromagnetism?

  • Yashbhatt
  • · Replies 3 ·
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3

Graduate Poynting Vector and Mobile phones in ovens

  • tim9000
  • · Replies 7 ·
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7

Graduate Finding the electric and magnetic fields from a scalar potential?

  • bagherihan
  • · Replies 2 ·
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2

High School Functioning of AC current in simple terms?

  • lukeskywalker
  • · Replies 2 ·
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2

High School How can Voltage have polarity? How can they be negative or positive?

  • lukeskywalker
  • · Replies 11 ·
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11

Undergrad Capacitance of cylindrical shells

  • muthukrishnan
  • · Replies 5 ·
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5

Graduate How can the Lorentz force law be derived using the action principle?

  • erogard
  • · Replies 1 ·
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1

Undergrad Work done by the Lorentz force?

  • Dash-IQ
  • · Replies 20 ·
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20

Undergrad What is the Faraday Constant and Why is it Important?

  • Jhenrique
  • · Replies 12 ·
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12

Undergrad Understanding BJT Voltages and Operating Point Analysis

  • JasonHathaway
  • · Replies 8 ·
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8

Graduate Understanding Corona, Arc, and Spark in Fluids: Explained

  • onurbeyaz
  • · Replies 2 ·
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2

Undergrad Meaning of "reciprocal" in frequency space

  • u0362565
  • · Replies 4 ·
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4

Graduate Do Magnets Exhibit Twisting Due to Internal Angular Momentum?

  • snorkack
  • · Replies 1 ·
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1

Where Can I Find an Ultra Strong Small Cylinder Neodymium N52 Magnet?

  • Sylvester1
  • · Replies 3 ·
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3

Graduate EMU sensitivity unit for SQUID magnetometers

  • TheDestroyer
  • · Replies 3 ·
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3

Graduate RLC changes negatively when is measured in the inverse sense?

  • Jhenrique
  • · Replies 1 ·
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1

Graduate Concerning the Classical Electromagnetism and Gravitation Constants

  • FysixFox
  • · Replies 4 ·
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4

Undergrad How do radio antennas convert electrical energy into photon energy?

  • MichaelsTech
  • · Replies 3 ·
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3

Graduate Amplitudes of Electromagnetic Waves Question

  • Dick_Machine
  • · Replies 6 ·
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6

Graduate Magnetic Fields and Rotational Diffusion

  • Thadis
  • · Replies 1 ·
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1

Graduate About memristor and memristance

  • Jhenrique
  • · Replies 2 ·
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2

Graduate How to derive the curl of E equation in the frame of the conductor?

  • adelmakram
  • · Replies 5 ·
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5

Undergrad Is the current a kind of circulation?

  • Jhenrique
  • · Replies 8 ·
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8

Graduate Another vector fields in terms of circulation and flux

  • Jhenrique
  • · Replies 5 ·
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5

Graduate Coulomb term in Potential of ions in a Penning Trap,Green's Function

  • aim1732
  • · Replies 1 ·
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1

Graduate Maxwell Boltzmann Distribution

  • TeslaPow
  • · Replies 11 ·
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11

Graduate Maxwell's 4th equation for a Toroid

  • ugenetic
  • · Replies 7 ·
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7

Graduate How Does Gauss' Law Ensure E-field Perpendicularity on Irregular Conductors?

  • iScience
  • · Replies 3 ·
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3

Undergrad Faraday cage as light as possible to protect from lightning

  • stevan
  • · Replies 7 ·
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7

High School Wool vs Cotton - electronegativity?

  • christian0710
  • · Replies 1 ·
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1

Graduate Electrodynamics text study guide?

  • PeteSampras
  • · Replies 1 ·
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1

High School Understanding the Source of AC in Circuit Alimentation

  • Jhenrique
  • · Replies 6 ·
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6

High School What is the Correct Color Code for a 1KΩ ± 10% Resistor?

  • Hardik Batra
  • · Replies 13 ·
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13

Undergrad Plate-mesh-plate capacitor double charge?

  • stevan
  • · Replies 8 ·
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8

Undergrad How Can You Apply the Superposition Theorem Graphically?

  • Jhenrique
  • · Replies 7 ·
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7

Graduate Maxwell Boltzmann Distribution

  • TeslaPow
  • · Replies 2 ·
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2

High School Electric Field Direction & Drawing Electric Field Lines

  • hamza201195
  • · Replies 1 ·
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1

High School Electric Field Sources & Sinks: Definition

  • hamza201195
  • · Replies 1 ·
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1

Undergrad How Are Electrons Distributed on a Charged Conductive Sphere?

  • ironduh
  • · Replies 3 ·
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3

Undergrad Resistance, Current and Voltages

  • Chris914
  • · Replies 3 ·
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3

Undergrad Can an ODE accurately model an RLC circuit with additional sources?

  • Jhenrique
  • · Replies 1 ·
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1

Graduate Dipole and electric field gradient

  • DrClaude
  • · Replies 2 ·
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2

Undergrad 2nd Kirchhoff's law for all passive elements

  • Jhenrique
  • · Replies 8 ·
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8

Undergrad What are the characteristics of ideal electrical elements?

  • Jhenrique
  • · Replies 14 ·
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14

Undergrad Equating Voltage/Current of Associated Sources: A Comprehensive Guide

  • Jhenrique
  • · Replies 14 ·
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14

Graduate What exactly does negative permittivity mean?

  • spikethecake
  • · Replies 8 ·
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8

High School Electric & Magnetic Fields: Charged Particles Difference

  • Chris914
  • · Replies 2 ·
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2

Graduate Derivation of Rayleigh-Jeans law

  • dEdt
  • · Replies 8 ·
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8

Undergrad Electrical Breakdown: What Causes Sparks, Lightning and St. Elmo's Fire?

  • dEdt
  • · Replies 2 ·
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2

Undergrad How is the division of the current for all passive elements?

  • Jhenrique
  • · Replies 2 ·
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2

Undergrad Why don't charges fly off a conductor?

  • dEdt
  • · Replies 7 ·
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7

Graduate Deviation of compass in another frame

  • adelmakram
  • · Replies 24 ·
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24

Graduate Q give rise to D => E => V => I => H.

  • ugenetic
  • · Replies 11 ·
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11

Undergrad Understanding Current Sources: Device or Electrical Object?

  • Jhenrique
  • · Replies 16 ·
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16

Is tesla death ray ( death beam ) exist ?

  • kevinsetiono
  • · Replies 1 ·
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1

Undergrad Relationship between energy and electrical charge?

  • Jhenrique
  • · Replies 2 ·
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2

Undergrad Derivative of current and voltage

  • Jhenrique
  • · Replies 3 ·
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3

Undergrad Why isn't my circuit working without both battery terminals connected?

  • Jhenrique
  • · Replies 7 ·
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7

Undergrad Interpretation for voltage and flux linkage

  • Jhenrique
  • · Replies 2 ·
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2

Undergrad What's the direction of induced emf here?

  • har
  • · Replies 3 ·
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3

Graduate Are Charge Imbalances Present on Resistors?

  • Prince Rilian
  • · Replies 15 ·
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15

Undergrad Unusual movement of square fridge magnets

  • DomPhillips
  • · Replies 2 ·
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2

High School Exploring Voltage and Current in Electric Circuits

  • Jhenrique
  • · Replies 3 ·
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3

High School About the Kirchhoff's circuit laws

  • Jhenrique
  • · Replies 4 ·
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4

Undergrad Why do mechanical and EM waves in the same way?

  • terahertz
  • · Replies 5 ·
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5

High School Confused High-Schooler Seeks Help Understanding Volt

  • Infinite/Zero
  • · Replies 7 ·
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7

Undergrad How Does Current Flow in a Battery and What Causes Heat Production?

  • tzero
  • · Replies 3 ·
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3

High School Does Adding of Change the Meaning in Current of Electricity?

  • xunxine
  • · Replies 1 ·
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1

Undergrad Proof of Energy Density in Capacitor?

  • onurbeyaz
  • · Replies 3 ·
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3

Graduate Unit conversion problem for the electron thermal conductivity

  • goodphy
  • · Replies 4 ·
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4

Graduate Traveling electric and magnetic fields

  • letsenibeh
  • · Replies 50 ·
2
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50

Undergrad Is all the charge inside a conductor evenly distributed in equilibrium?

  • Hardik Batra
  • · Replies 1 ·
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1

Undergrad Why do magnets in a Gauss gun exhibit backward drift after being hit?

  • Aleks
  • · Replies 1 ·
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1

High School Defining Capacitance: Is Charge Stored per Unit Volt Accurate?

  • LanguageNerd
  • · Replies 5 ·
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5

Graduate Ampere's law for a point charge

  • dEdt
  • · Replies 2 ·
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2

Graduate Confusion of the electrical conductivity unit in CGS.

  • goodphy
  • · Replies 8 ·
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8

High School Understanding Short Circuits in Capacitors

  • Hardik Batra
  • · Replies 13 ·
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13

High School Question regarding cathodes and anodes

  • collegelife101
  • · Replies 8 ·
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8

Undergrad Reference point of voltage for an electric field

  • Bengo
  • · Replies 4 ·
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4

Graduate A point between 2 magnets, what remains constant at that point?

  • ugenetic
  • · Replies 3 ·
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3

Graduate A Doubt Regarding Quantization of charge ,its relevance in integration

  • Uday
  • · Replies 4 ·
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4

Undergrad Is there a wave having frequency below ELF?

  • vishnumanu
  • · Replies 6 ·
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6

Graduate Flaw in the integral form of faradays law with large loops

  • ThomGunn
  • · Replies 5 ·
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5

Graduate Ferromagnetism and Work done by a bar magnet.

  • siddharth5129
  • · Replies 3 ·
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3

Undergrad > Why Change Of Magnetic Flux Induces Current In It?

  • Ankit
  • · Replies 5 ·
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5

Undergrad How do AC circuits work and how are they different from DC circuits?

  • MarcL
  • · Replies 7 ·
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7

Graduate Inducing current with magnetic field from light

  • saime
  • · Replies 4 ·
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4

Undergrad Repulsive force by itself on a charged sphere

  • Zeor137
  • · Replies 1 ·
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1

Undergrad Electric Flux Through Hollow Surface: Does εr Matter?

  • hacker804
  • · Replies 1 ·
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1

Undergrad Levitation Possible? How Electric Charge Balances Gravity

  • skepticwulf
  • · Replies 7 ·
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7

Graduate Can Having Enough Bends in Circuit Conductors Cause Energy Loss?

  • Prince Rilian
  • · Replies 2 ·
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2

High School Why there are spaces in b/w iron fillings sprinkled around a magnet?

  • Meson080
  • · Replies 3 ·
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3

Undergrad Tecnological Electromagnetic Question

  • TheAzn
  • · Replies 2 ·
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2

Undergrad The need for electrolytes between cathode and anode in battery

  • Sleepycoaster
  • · Replies 3 ·
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3

Undergrad EM Wave Reflection: Why Parabolic Reflectors Differ from Mirrors

  • oneamp
  • · Replies 6 ·
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6

Undergrad Electric Field inside the spherical shell

  • Hardik Batra
  • · Replies 3 ·
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3

High School Resistors in series and current equivalence.

  • Prashasti
  • · Replies 1 ·
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1

High School How is current same on both sides of a resistor

  • Ayaan
  • · Replies 4 ·
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4

High School V= IR So a circuit with no resistance has no current or voltage?

  • jaredvert
  • · Replies 29 ·
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29

Undergrad Calculating Magnetic Force on an Object in a Solenoid?

  • Integrated
  • · Replies 4 ·
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4