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High School What is a Zener Diode? Understand Voltage Absorption

  • ImStuck1
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Graduate What is the explanation for the discrepancy in energy stored in a capacitor?

  • Per Oni
  • · Replies 4 ·
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4

Undergrad How does alternating current transfer energy?

  • matroska
  • · Replies 8 ·
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8

Graduate Magnetic dipole in magnetic field

  • Niles
  • · Replies 3 ·
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3

Undergrad Electric Field on two non-parallel plates

  • Seydlitz
  • · Replies 2 ·
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2

Undergrad Time reversibility of electromagnetism in Incandescent light bulb

  • srikkanth_kn
  • · Replies 4 ·
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4

Undergrad Troll physics: Solar cell and LED in series

  • tragicmuffin
  • · Replies 8 ·
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8

Graduate Magnetism & Photons: Research, Rare Phenomena & Invisibility

  • Rorkster2
  • · Replies 3 ·
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3

Undergrad Finding E on the Z Axis: A Differential Approach

  • ozone
  • · Replies 5 ·
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5

Undergrad Can a magnet's magnetic field perform work on another magnet?

  • Miyz
  • · Replies 269 ·
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Graduate Visualizing field lines with moving current

  • Mr Boom
  • · Replies 5 ·
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5

Graduate Alignment of Carbon Nanotubes in Electric Fields: How and Why?

  • Cesium
  • · Replies 1 ·
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1

Graduate Experimental proof that uniformly accelerated charges radiate

  • universal_101
  • · Replies 26 ·
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26

Undergrad What is the difference between inductive coupling and magnetic coupling?

  • nitzz
  • · Replies 3 ·
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3

Graduate External driving force on blackbox system: frequency response

  • rookie4002
  • · Replies 1 ·
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1

High School Fan Speed and Electricity Consumed

  • sanchitgangwa
  • · Replies 4 ·
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4

Graduate Getting a current going in a circuit

  • aaaa202
  • · Replies 7 ·
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7

Graduate Relating Movement of Electrons in Currents to Wire Movement/Energy/Power

  • Islam Hassan
  • · Replies 6 ·
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6

High School Is Current a vector quantity?

  • Asif Rajput
  • · Replies 1 ·
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1

Undergrad Calculating magnetic field as a function of magnet size

  • eman3
  • · Replies 3 ·
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3

Undergrad Magnetic Field: Electric vs Pure?

  • Chemist@
  • · Replies 4 ·
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4

Graduate Magnetic field of a circular wave

  • kediss
  • · Replies 2 ·
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2

Graduate Canceling one electromagnetic wave with another for a part of the radius

  • jnels005
  • · Replies 4 ·
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4

Graduate How Do Superconductors React to External Electric Fields?

  • lufc88
  • · Replies 1 ·
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1

Graduate How Do Antennas Achieve High Efficiency Despite Oscillating Electrons?

  • Strangeline
  • · Replies 4 ·
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4

Graduate Gauss's law in electrodynamics

  • bigerst
  • · Replies 3 ·
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3

Graduate Capacitor - Work done to charge it up

  • aaaa202
  • · Replies 4 ·
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4

Undergrad Question on electromagnetic interactions

  • spuding102
  • · Replies 10 ·
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10

Undergrad Puzzled about direct current and charge (flux)

  • daviddeakin
  • · Replies 3 ·
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3

Undergrad Conducting and Insulating Conductors: why uniform and 'surface' charge distribution?

  • Kuhan
  • · Replies 1 ·
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1

Graduate Understanding the Flux Rule for Motional EMF?

  • aaaa202
  • · Replies 3 ·
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3

Graduate Self Interaction: What, When, & How to Calculate

  • ShayanJ
  • · Replies 6 ·
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6

High School Frequency Explained for Toddlers: Visible/Audible Range?

  • Suryadavinci
  • · Replies 1 ·
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1

High School What is the relationship between resistance and radiation in a capacitor?

  • wumple
  • · Replies 13 ·
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13

Graduate What Happened to Wheeler's Single Electron Idea?

  • ktx49
  • · Replies 26 ·
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26

Undergrad Emission of EM Wave: Why Does it Happen?

  • justwild
  • · Replies 5 ·
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5

High School Can you use magnets to push other magnets unlimited amount of times?

  • rafal94
  • · Replies 10 ·
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10

Graduate How do we know gravity is not just a large scaled electromagnetic force?

  • jaydnul
  • · Replies 3 ·
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3

Undergrad Can a magnetic fields/forces do work on a current carrying wire?

  • Miyz
  • · Replies 407 ·
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Undergrad Doubt with Ampere and Biot-Savart

  • atomqwerty
  • · Replies 2 ·
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2

Graduate Triboelectric Charging Substance Selection

  • drerzaask
  • · Replies 2 ·
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2

Graduate Changing magnetic field and a point charge, seems unresolvable

  • universal_101
  • · Replies 34 ·
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Undergrad Need a Review of Solenoid Equations and their Derivation

  • Prince Rilian
  • · Replies 2 ·
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2

Graduate What distinguishes a vector from a pseudovector in electromagnetism?

  • snorkack
  • · Replies 1 ·
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1

Undergrad Electroscope Charge Distribution

  • Livethefire
  • · Replies 3 ·
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3

Graduate Thinking about magnetic coercive field

  • SamBam77
  • · Replies 3 ·
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3

Undergrad What happens to a permanent magnet inside a electromagnetic toroid?

  • Miv
  • · Replies 3 ·
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3

Undergrad Is there a connection between water and magnetism?

  • jWald
  • · Replies 5 ·
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5

Graduate Numerical method for finding charge density on a conductor

  • bcrowell
  • · Replies 5 ·
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5

Undergrad In an electrostatic situation, are all charges really at rest?

  • SpartanG345
  • · Replies 1 ·
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1

Undergrad Are Magnetic Poles and Currents Equivalent Theories in Creating Magnetic Fields?

  • bigerst
  • · Replies 1 ·
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1

Undergrad Thermodynamics and thermoelectrics

  • hercules68
  • · Replies 14 ·
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14

Undergrad Photoelectric Effect: Why does Current Change?

  • chewchun
  • · Replies 5 ·
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5

Undergrad Magnetic Levitation energy problem

  • HeliosRX
  • · Replies 16 ·
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16

Undergrad Electric field at point inside a parallel plate capacitor

  • Anadi96
  • · Replies 11 ·
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11

Undergrad Static Friction, Kinetic Friction and Rolling Resistance query.

  • mart7x
  • · Replies 11 ·
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11

Graduate Derivation of Faraday's Law from the Lorentz Force Law

  • Lamarr
  • · Replies 4 ·
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4

Undergrad Understanding Electric Field Flux: Explained with Physical Interpretation

  • zezima1
  • · Replies 6 ·
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6

Graduate Boundary conditions with dielectrics question

  • VortexLattice
  • · Replies 1 ·
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1

Undergrad Is there a magnetic field around a moving single charge?

  • lenfromkits
  • · Replies 4 ·
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4

Undergrad Help explaining the ion-electron recombination process

  • papernuke
  • · Replies 4 ·
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4

Undergrad How do I convert amps to pull force for an electric motor?

  • Makin_it_turn
  • · Replies 11 ·
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11

Graduate Will string theory explain what electric and magnetic fields really are?

  • jaydnul
  • · Replies 5 ·
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5

Graduate Charge distribution on a conductor

  • bcrowell
  • · Replies 0 ·
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0

Undergrad Electrical and magnetic fields are spherical right?

  • jaydnul
  • · Replies 2 ·
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2

High School How to Build a Circuit for a Linear Hall Effect Sensor?

  • chudiandeyu
  • · Replies 4 ·
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4

High School What do Electromagnetic waves actually look like in space?

  • jaydnul
  • · Replies 4 ·
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4

Undergrad Levitation with Permanent magnets

  • excel110
  • · Replies 28 ·
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28

Graduate What Voltages Should Be Used for Focus and Deflection Plates in an Electron Gun?

  • india
  • · Replies 3 ·
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3

High School Air resistance on bodies in free fall

  • AbsoluteZer0
  • · Replies 2 ·
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2

Graduate Does moving mass produce a field?

  • MotoPayton
  • · Replies 9 ·
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9

High School How Do Magnets Affect the Polarization of Paperclips?

  • Interception
  • · Replies 2 ·
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2

Graduate Possible webpage title: Understanding Induced Charges on Grounded Conductors

  • alqubaisi
  • · Replies 7 ·
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7

Undergrad Why battery’s internal resistance decreases with temperature?

  • bobfei
  • · Replies 4 ·
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4

High School Can magnets have the same poles?

  • Dobbie
  • · Replies 1 ·
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1

Undergrad Why does current travel at speed of light rather than speed of sound?

  • dEdt
  • · Replies 6 ·
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6

Graduate Boundary condition for a charged surface

  • hunt_mat
  • · Replies 4 ·
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4

Graduate Is the Self-Inductance Integral Always Positive in Quasistatic Approximation?

  • emroz92
  • · Replies 11 ·
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11

Graduate Electrostatic Potential over all space

  • Demon117
  • · Replies 3 ·
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3

Graduate Is it safe for a 15-year-old to build an electron gun with dangerous elements?

  • jack jewell
  • · Replies 6 ·
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6

Undergrad Lumens and photon flux density

  • DMS-Aberdeen
  • · Replies 1 ·
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1

Graduate What is the dipole moment of this surface charge distribution?

  • mzh
  • · Replies 9 ·
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9

Graduate Can Coherent E and B Fields Produce Visible Light in a Box?

  • trini
  • · Replies 7 ·
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7

Graduate Understanding the Time Evolution of Velocity in a Variable Electric Field

  • lailola
  • · Replies 10 ·
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10

High School Multimeter current level when measuring resistance

  • Si14
  • · Replies 2 ·
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2

Undergrad Elementary problems concerning electromagnetic spectrum

  • prane
  • · Replies 14 ·
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14

High School HELP Investigating the rate of discharge of water from a hole in a bucket

  • ace121ace
  • · Replies 6 ·
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6

Graduate Point charge configuration with zero potential energy

  • bigerst
  • · Replies 2 ·
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2

Graduate Magnetic Switching: Wider or Narrower?

  • kor
  • · Replies 8 ·
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8

Undergrad How do I measure/calculate the permittivity constant of materials?

  • Cy9160
  • · Replies 16 ·
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16

Undergrad Charging a Capacitor: Explained & Questions

  • Eugbug
  • · Replies 1 ·
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1

Undergrad Magnetic motor (contradicts 2nd law of thermodynamic? )

  • mathsTKK
  • · Replies 3 ·
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3

Undergrad Can Magnets Repel Each Other When Charged? Find Out Here!

  • PieintheSky
  • · Replies 2 ·
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2

High School Are Camera Flashes Deadly? Shocking Truth Behind Fatal Camera Incidents

  • Didiyy
  • · Replies 8 ·
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8

Graduate Is it possible to construct a portable ground using an + charged electret?

  • kmarinas86
  • · Replies 22 ·
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22

Undergrad Need Help with Applying the Point Form of Ohm's Law

  • Prince Rilian
  • · Replies 5 ·
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5

High School How Much Energy Can Pedaling Generate for Rechargeable Batteries?

  • robizeratul
  • · Replies 1 ·
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1

Graduate Why is the electric field ever defined inside volume charge distributions?

  • Only a Mirage
  • · Replies 9 ·
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9

Graduate B Field Confinement for Toroidal Coils Driven by AC Current

  • Viky553
  • · Replies 1 ·
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1

High School AC Circuits: Voltage Changes and Neutral Becoming Live?

  • Toffer
  • · Replies 7 ·
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7