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Graduate Interference by electric field

  • A Dhingra
  • · Replies 13 ·
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13

Undergrad Calculating Magnetic Force on a Steel Object in a Solenoid

  • v_h_memar
  • · Replies 2 ·
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2

High School Where Does the Energy Come From When a Magnet Moves Over a Paperclip?

  • Jobrag
  • · Replies 12 ·
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12

Graduate What are the derivations, uses, and limitations of the extended Coulomb's Law?

  • bicabone
  • · Replies 4 ·
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4

Undergrad If in a capacitor ,the dielectric medium is replace by higher

  • amaresh92
  • · Replies 1 ·
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1

Graduate Is it the correct representation of Electromagnetic waves?

  • goodname
  • · Replies 5 ·
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5

Graduate Nikola Tesla's Observation of Vacuum Electricity

  • lufc88
  • · Replies 15 ·
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15

Undergrad Why Does Touching the Ground Cause Electric Shock When Holding a Power Line?

  • x+iy
  • · Replies 17 ·
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17

Graduate Sign Conventions for Paths and Surfaces for Electromagnetic Calculations

  • Jessehk
  • · Replies 1 ·
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1

Undergrad How do I turn a DC current on and off very quickly?

  • Kiara
  • · Replies 15 ·
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15

High School Magnet Side Force: Explaining the Physics

  • pbiebach
  • · Replies 1 ·
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1

Undergrad Understanding Flux Meters and Field Strength Measurement

  • MalliCk
  • · Replies 3 ·
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3

Undergrad How Does Potential Difference Cause Electron Movement in Electric Circuits?

  • Tosh5457
  • · Replies 5 ·
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5

Undergrad EM waves, Light, radio and all that.

  • x+iy
  • · Replies 1 ·
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1

Undergrad Diff between aether & EM field

  • Pjpic
  • · Replies 4 ·
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4

Undergrad What metals can create a low frequency resonance for Harley exhaust pipes?

  • gr91325
  • · Replies 6 ·
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6

Graduate Questions About Magnetism Interfering With Electrical Circuits

  • Bararontok
  • · Replies 10 ·
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10

Undergrad Oscillating Charge: How Does it Create Electromagnetic Radiation?

  • shamsheerc
  • · Replies 2 ·
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2

High School Is there a way to shield a magnets field

  • remosmile
  • · Replies 20 ·
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20

Undergrad Gauss's Law and Electric Dipole

  • zorro
  • · Replies 6 ·
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6

Undergrad Step up transformers - confusion

  • yllihp
  • · Replies 1 ·
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1

High School How do batteries maintain charge

  • peter.ell
  • · Replies 1 ·
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1

Undergrad How to convert photodiode voltage to any photonic unit

  • rc101268
  • · Replies 3 ·
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3

Undergrad Can Magnets Be Reoriented to Confine Their Field?

  • Cbowen546
  • · Replies 1 ·
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1

Undergrad Back EMF of Motors: Constant or Variable?

  • brainyman89
  • · Replies 3 ·
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3

Graduate EM Wave - Where Does the Energy Go?

  • Master J
  • · Replies 3 ·
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3

Graduate Can I Change Frequency to Increase Ejected Photoelectrons?

  • brainyman89
  • · Replies 5 ·
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5

Undergrad Understanding the Electric Field in a Circular Arrangement of Charges

  • electromania
  • · Replies 3 ·
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3

Graduate Error in Form of Maxwell's Equations?

  • nonequilibrium
  • · Replies 17 ·
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17

Undergrad Is the strong/weak force infinite like electromagnetism

  • Jarfi
  • · Replies 1 ·
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1

Undergrad Where does power meter sense current?

  • Evil Bunny
  • · Replies 4 ·
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4

Undergrad Magnetic force of two parallel wires is inverse proportional to distance?

  • ctech4285
  • · Replies 3 ·
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3

Graduate Is magnetic field a frame dependent quantity?

  • ank160
  • · Replies 4 ·
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4

Graduate Lorentz contrast/EM wave question.

  • Lavabug
  • · Replies 5 ·
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5

Undergrad How does an electron in orbit not accelerate towards a proton in an atom?

  • kshah93
  • · Replies 3 ·
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3

Undergrad The Effect of Ground Resistance on Electrical Circuits

  • r.vittalkiran
  • · Replies 26 ·
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26

Graduate An interest thought experiment

  • qinglong.1397
  • · Replies 4 ·
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4

Undergrad Understanding Drift and Diffusion Currents in PN Junctions

  • PainterGuy
  • · Replies 12 ·
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12

Undergrad Acceleration of magnetic fluids

  • {~}
  • · Replies 2 ·
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2

Undergrad Magnetic Acceleration: Calculate Force & Distance

  • moni94
  • · Replies 3 ·
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3

Graduate Black holes and conservation of charge

  • mrspeedybob
  • · Replies 2 ·
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2

Graduate EM waves and conducting surfaces

  • froggy2
  • · Replies 1 ·
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1

Undergrad Molten iron can not be magnetized

  • pallidin
  • · Replies 23 ·
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23

Graduate Can Magnetic Fields Induce Currents and Heat in Metal?

  • brainyman89
  • · Replies 3 ·
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3

Undergrad Simple KVL (kirchhoff's voltage law) problem

  • PainterGuy
  • · Replies 4 ·
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4

High School Magnetism: Attraction vs Repulsion Weighing

  • bobbyb671
  • · Replies 1 ·
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1

Undergrad Principle of Superposition for Electric field

  • hangainlover
  • · Replies 2 ·
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2

Graduate What Are Retarded Time and Position in Electrodynamics?

  • AriAstronomer
  • · Replies 1 ·
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1

Undergrad Noise Canceling Headphones Problem

  • BraedenP
  • · Replies 1 ·
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1

Undergrad Is MIT Prof. Lewin wrong about Kirchhoff's law?

  • sarumonkee
  • · Replies 347 ·
12
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347

Undergrad What are electric fields in EMR are and why do they exist?

  • The Head
  • · Replies 4 ·
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4

Undergrad Why are EM waves blocked by non-conductors?

  • Jocko Homo
  • · Replies 1 ·
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1

Undergrad Nitinol Current Help | Seeking Advice

  • neolin
  • · Replies 4 ·
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4

Graduate Discussion of Faradays and Lenz law.

  • yungman
  • · Replies 2 ·
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2

Undergrad How Does Current Flow in a Pure Inductor Connected to an AC Voltage Source?

  • sahil_time
  • · Replies 13 ·
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13

Graduate How Does Gas Turn into Plasma and Fuse in a Magnetic Confinement Fusion Reactor?

  • TheJoninator
  • · Replies 3 ·
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3

High School I have a electromagnet with 200# pull is their a way to get full pull

  • t west
  • · Replies 1 ·
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1

High School What are the practical applications of RC circuits?

  • mathwizeguy
  • · Replies 11 ·
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11

Graduate Can Magnetic Fields Heat Metal & Create Eddy Currents?

  • brainyman89
  • · Replies 3 ·
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3

Undergrad Total electric field within an inductor

  • epsilonjon
  • · Replies 4 ·
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4

Graduate Question on an example relating to magnetic boundary condition.

  • yungman
  • · Replies 5 ·
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5

Undergrad Energy lost when current is induced in a loop

  • Northprairieman
  • · Replies 8 ·
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8

Graduate Understanding the Applicability of the Acoustics Wave Equation

  • Radiohannah
  • · Replies 6 ·
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6

Graduate Question in the curl of a cross product.

  • yungman
  • · Replies 38 ·
2
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38

Undergrad Copper wire's effect on magnetic fields

  • bdfischer
  • · Replies 3 ·
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3

Undergrad Back EMF and Current Variability: A Puzzling Question

  • brainyman89
  • · Replies 1 ·
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1

Undergrad Confused about a charge going into a magnetic field?

  • Problem?
  • · Replies 4 ·
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4

Undergrad Gamma rays and electrical systems

  • drifter sx
  • · Replies 10 ·
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10

Graduate Electric Field of Moving Charge

  • chickenz
  • · Replies 13 ·
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13

Undergrad Magnetic Field of a moving Electron

  • Savio
  • · Replies 5 ·
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5

Undergrad Capacitance and charge confusion

  • Terocamo
  • · Replies 7 ·
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7

Graduate Solving the Mystery of the 2: JD Jackson on Classical Electrodynamics

  • Berko
  • · Replies 6 ·
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6

Undergrad How Is the Number of Electric Field Lines Calculated in Gauss' Law?

  • ananthu
  • · Replies 5 ·
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5

Undergrad Do Magnetic Fields Follow the Rules of Superposition?

  • Hank_Rearden
  • · Replies 1 ·
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1

Graduate How to obtain maxwell relations

  • B-80
  • · Replies 1 ·
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1

High School Magnetic Propulsion - Possible?

  • MBB
  • · Replies 7 ·
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7

Graduate Perpetual motion through magnetized water?

  • avolaster
  • · Replies 4 ·
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4

Graduate What happens when Connecting step-up and step-down secondary Transformer coils?

  • toneboy1
  • · Replies 12 ·
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12

Undergrad Energy stored in a capacitor question

  • magu1re
  • · Replies 8 ·
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8

High School Is There a Problem with Two Grounds in This Simple Circuit?

  • PainterGuy
  • · Replies 9 ·
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9

Undergrad How can I improve the stability of my DIY maglev train model?

  • rossonero
  • · Replies 1 ·
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1

Graduate Basic misconception about magnetism?

  • jethomas3182
  • · Replies 13 ·
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13

Graduate Induction & Energy: Rod Moving Down Inclined Surface in Uniform Magnetic Field

  • hokhani
  • · Replies 5 ·
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5

Graduate Integrating Electric Displacement

  • kNYsJakE
  • · Replies 1 ·
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1

Undergrad Do magnets attract magnetic objects of different mass with equal force?

  • jonnyk
  • · Replies 2 ·
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2

Undergrad Something Vexing me about Magnetism and Conservation of Energy

  • Matt Luckham
  • · Replies 4 ·
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4

Undergrad Calculate electric field strength from voltage?

  • rsalmon
  • · Replies 11 ·
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11

High School Electrical appliance which is labelled 240V, 2000W

  • Kyoma
  • · Replies 3 ·
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3

Undergrad 1-this is what is written in my book:E= Ir+E' where E' is the back

  • brainyman89
  • · Replies 3 ·
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3

Undergrad Can electromagnetic induction occur in a single straight wire?

  • brainyman89
  • · Replies 4 ·
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4

Graduate Designing a Faraday Cage for Precision Resistor Network & DVM

  • jonlg_uk
  • · Replies 4 ·
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4

Undergrad How Can You Build a 3V Battery Indicator Without a Zener Diode?

  • theloathedone
  • · Replies 3 ·
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3

Undergrad What would happen if I take apart the plates of a charged capacitor?

  • brainyman89
  • · Replies 15 ·
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15

Graduate Question about electrostatic equilibrium for a conductor

  • shoestring
  • · Replies 10 ·
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10

Graduate How Does Forcing Magnets Together Affect Spatial Energy and Distortion?

  • ChrisWhewell
  • · Replies 4 ·
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4

Graduate Maxwell's profound achievement: the speed of electromagnetic waves

  • Cleonis
  • · Replies 7 ·
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7

Undergrad Force of a solenoid on a magnet?

  • strathcona93
  • · Replies 1 ·
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1

Undergrad Creating a Poleless Magnet Ring

  • MS La Moreaux
  • · Replies 66 ·
3
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66

Undergrad Attraction and repulsion between two magnets

  • kalesh
  • · Replies 2 ·
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2

High School Electron Movement in a Closed Circuit: How Do Batteries Facilitate the Flow?

  • ghost99
  • · Replies 8 ·
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8