Electromagnetism Forum

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How Does a Toroidal Coil's Magnetic Field Interact with a Bar Magnet?
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11K
How do different voltages affect parallel-connected batteries?
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14K
Confusing Electricity: Uncovering the Mysteries of Voltage and Resistance
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5
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3K
Can You Shape a Magnetic Field?
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Understanding Magnetism: Why Are Some Substances Magnetic and Others Not?
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1
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Magnetism and conservation of energy
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7
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How to measure the temperature of an arc discharge
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5
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Light and electromangetic interference
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28
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Induced current in a static magnetic field
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A physical interpretation of classical electrodynamics
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24
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Electrostatic force calculations
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Would this (classical magnetism) experiment be proved wrong?
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3
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3K
Charged Particle Beam: Physics Analysis & Dynamics
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Levitate a coin using two powerful magnets
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3
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Maxwell–Faraday equation symmetry violation
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30
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How do we know protons, neutrons and electrons exist?
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5
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Friction and Resistance - Inertia
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2
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Correct term: thermal power & electrical power
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5
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Electromagnetic Field/Force Model
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8
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Quick question on connecting ammeter, voltmeter
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3
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3K
Can an Inductor hold a charge?
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4
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Is the Leyden Jar still charged even after discharging the metal parts?
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4
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Do magnetic feilds operate at a frequency?
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13
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11K
A speaker produces a sound with a frequency of 1000hz. How many waves
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2
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Couple magnetic experimental questions
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2
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Magnetic feild in regard to aluminium
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2
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Does anyone know a device that reads the frequency of objects?
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17
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21K
Electric Motor and Gas Engine Horsepower Equivalency
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9
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67K
Help with understanding electromagnetic induction
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6
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3K
How can I determine the frequency of excessive noise in a fireboat cabin?
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6
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5K
Understanding Circuit Basics: The Role of Resistors in Simple Current
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2
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3K
Might This Work? A Diamagnetic Theory
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13
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Faraday Generator - Theoretical
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1
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Calculating Equivalent Resistance in Coated Substrate Circuits
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3
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How Do Electrons Know Where to Go in a Circuit?
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3
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2K
Calculating Dielectric Breakdown Voltage & Effects of Electrode Material
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5
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The truth about electric current
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17
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Inductance problem, puzzles professors
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2
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Charge Conservation in Plasma Physics
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6
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What are the differences between Biot-Savart Law and Ampere's Law?
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1
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9K
What is the Difference Between Current Density and Linear Charge Density?
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2
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7K
Mutual Inductance: Total EMF from 2 Solenoids
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8
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4K
Lorentz attractors and fractals
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6
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3K
Gaussian surfaces: Electric Field=zero
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2
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4K
Why isn't CHARGE a fundamental quantity rather than CURRENT?
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2
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16K
Propgating Electric Field Lines
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11
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Superconducting ring moving in magnetic field.
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7
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7K
Relationship between current, drift velocity and thermal velocity
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3
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26K
An experiment on magnetism and momentum?
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8
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5K
Electrical energy stored in solenoid
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3
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Density of electrons and quarks
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5
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7K
Coulomb's vs Gauss's Law: What's the Difference?
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6
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20K
Understanding Electric Field Intensity of Point Charges
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2
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Convert Watts to Watt-hours - Marianne
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5
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3K
A Charged Particle in a Uniform Electric Field
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3
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6K
Prove That Charge Distributes Uniformly on a Disk Conductor
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13
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Is it able to convert electricity into propulsion force?
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23
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21K
How much force can a 1000 lb electromagnet pull at 4-6 inches?
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8
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Why do charges distribute differently in metallic and insulating spheres?
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3
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8K
Hydroelectric Dam: Energy Transformations
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2
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The effects of Temperature on Magnetism
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2
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Ohm's law, why current induces electric field and cause effect direction
2
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67
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16K
Inhomogeneous electromagnetic wave equation
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6
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Why does air resistance increase with speed?
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14
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43K
Electrophoresis kinetic friction or not?
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1
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2K
Electric Potential: Questions & Answers
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13
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Tesla Coil Surprises Inside a Faraday Cage
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5
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4K
Energy of a charge configuration
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3
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Definition of electric potential in case of negative charges
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4
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High precision tests of Maxwell equations
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14
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4K
Charge Leaks Out? Understand Property Leakage
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4
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4K
Earnshaw's Theorem: Why Can't I Contain a Charged Particle Electrostatically?
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9
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Absence of an electron at a point creates a positive charge
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2
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2K
Electricity generation without using magnet
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21
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Proximity of permanent magnet increases toroids inductance?
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6
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(newbie question) Useful mental models for the flow of electricity?
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5
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4K
Analysis of current flow and EM fields in seawater?
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2
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3K
Help with Dielectric Constants
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4
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WHY does CURRENT attain STEADY state?
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31
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6K
Calculating Voltage Change Over Time
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1
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Magnetic field produced by a short wire element (on 360 degree basis)
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20
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Equilibrium Shape of a Charged Elastic Ring
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5
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Source for relativistic electrodynamics
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2
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Why field lines are tangent to direction of electric forces
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6
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Calculating Electric Flux Φ w/o typical Gaussian surface
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4
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Phase velocity electric current
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1
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Definition of Eo (Coulomb's law)
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3
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What Are the Key Concepts of Voltage and Charge for Students?
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3
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Calculating Alternating Voltage of Conductor in Magnetic Field
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1
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Does Faraday's Law Hold True in All Inertial Frames?
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1
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Graphite leads in electrolysis
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1
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Force between two oppositely charged conducting spheres
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4
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Why Does Tongue Resistance Change When Measured with a Multimeter?
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3
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6K
Capacitance, voltage, distance and charge?
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3
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8K
Relationship between molecular momentum and electron orbital behavior
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4
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2K
Mutual Inductance: Coil 1 Excited, Coil 2 Open Circuited
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5
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Electromagnetic wave cancellation
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3
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Calculating Ion Charge (given Electron Configuration)
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3
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10K
The effect of a Nuclear Blast on Planetary Magnetism
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1
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2K
Weakly nonlinear theories in electrohydrodynamics
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0
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1K

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