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Undergrad Solinoid Construction: Bobbin Material and Rod Direction

  • magnetic-man
  • · Replies 3 ·
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3

Undergrad Need help explaining two equations for similar events

  • phox2
  • · Replies 2 ·
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2

Undergrad How does a dielectric increase capacitance, conceptually.

  • kcodon
  • · Replies 4 ·
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4

High School Amplitude-frequency relationship

  • Sakha
  • · Replies 3 ·
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3

Undergrad Make AC Electromagnet: Tips & Tricks From Experts

  • mike dana
  • · Replies 2 ·
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2

Undergrad Internal resistance of a batery

  • DaTario
  • · Replies 1 ·
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1

High School Work with Magnets: Generate Energy from Magnetic Force

  • Ghost803
  • · Replies 2 ·
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2

Undergrad Maximizing Magnetic Pull for Object with 2 Halves: Cylindrical vs Ring Magnets"

  • everybest
  • · Replies 1 ·
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1

Undergrad Temperature Dependence of Dielectric Constants

  • americanforest
  • · Replies 1 ·
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1

High School Charge a insulated metal sphere with a negative charge rod

  • phoebus
  • · Replies 1 ·
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1

Undergrad Air resistance on a rotating cylinder

  • Hajk
  • · Replies 1 ·
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1

Undergrad How Many Farads Equal 1 Amp Hour at 12V for an E-Bike?

  • just.karl
  • · Replies 3 ·
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3

Undergrad Are 3D Molecule Animations Valuable for Studying Elements and Compounds?

  • edguy99
  • · Replies 2 ·
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2

Undergrad Make grape plasma in magnetic feild?

  • ForumFire
  • · Replies 1 ·
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1

High School Find High Voltage Power Supply on a Budget

  • Galadirith
  • · Replies 3 ·
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3

Undergrad AC Circuit: RMS & Mean Current Explained

  • saiaspire
  • · Replies 1 ·
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1

Undergrad Question about Photoelectric Effect versus Compton Scattering.

  • uart
  • · Replies 4 ·
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4

Graduate How Does Capacitance Change with Different Dielectrics in Series?

  • adam29
  • · Replies 6 ·
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6

Undergrad Magnetic field of a linear conductor

  • gsan
  • · Replies 1 ·
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1

Undergrad Why is the frequency of 58 kHz used in acousto-magnetic anti-theft systems?

  • Zilfarion
  • · Replies 2 ·
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2

Undergrad What are the magnetic effects on electrons described by equations?

  • Adonis
  • · Replies 1 ·
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1

High School Calculating Carbon Atom Nucleus Charge - Marco

  • marco123
  • · Replies 7 ·
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7

High School Why do we use a soft iron core in

  • Muqaddas Jami
  • · Replies 1 ·
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1

High School Did Fleming Explain about His rules completely?

  • kocthu
  • · Replies 2 ·
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2

High School Classic Electric Power Generation

  • Constructe
  • · Replies 9 ·
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9

High School Color codes there is gold (5%) and silver (10%) for tolerence

  • AHobo
  • · Replies 2 ·
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2

High School Voltmeter Use in Circuits: Parallel vs Series

  • AHobo
  • · Replies 2 ·
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2

Undergrad Magnetic fields and conservation of energy

  • esenor
  • · Replies 6 ·
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6

Graduate Fundamentals of Opacity: Understanding EM Wave Absorption

  • cesiumfrog
  • · Replies 15 ·
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15

Graduate Help with displacement D field

  • fisico30
  • · Replies 12 ·
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12

Undergrad Why Is Understanding Voltage Essential for Electrical Circuits?

  • DocZaius
  • · Replies 25 ·
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25

Graduate Sign of Wavenumber: Electromagnetic Material

  • daudaudaudau
  • · Replies 1 ·
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1

Undergrad Calculating Voltage Across Capacitors | Series & Parallel Connections

  • rave7
  • · Replies 1 ·
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1

Graduate Flux per unit projected area per unit solid angle,

  • Somefantastik
  • · Replies 3 ·
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3

Undergrad Light in changing magnetic field

  • spidey
  • · Replies 13 ·
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13

High School Electric Field of a Point Charge

  • Apteronotus
  • · Replies 5 ·
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5

Graduate Dielectric Sphere in Electric Dipole

  • Apteronotus
  • · Replies 1 ·
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1

Undergrad Electricity & Magnetism: Circuits and the movement of charge

  • BioCore
  • · Replies 16 ·
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16

Undergrad What Links Electromagnetic Induction and Magnetic Fields?

  • wierdo
  • · Replies 2 ·
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2

Undergrad Classical Electromagnetism: Question on Ampere's Law and Displacement Current

  • jaseh86
  • · Replies 42 ·
2
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Graduate Can Electromagnetic Fields Reach Infinite Strength or Range?

  • Constructe
  • · Replies 5 ·
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5

Undergrad Measuring Electric Potential of Monovalent Cation Solutions

  • dr_bin
  • · Replies 14 ·
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14

Graduate Understanding Magnetism: Electrons, Currents, and Magnetic Fields Explained

  • GRB 080319B
  • · Replies 2 ·
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2

Undergrad Can a Faraday Cage Protect Against EMF Radiation from Neighbors?

  • Journo
  • · Replies 2 ·
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2

Undergrad What Causes a 1000 Times Weight Increase Without Overcoming Gravity?

  • litteraround
  • · Replies 4 ·
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4

Undergrad Electric, magnetic, and electromagnetic fields

  • holtvg
  • · Replies 7 ·
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7

Undergrad Calculating Current Draw in Electromagnetic Coil

  • frankenstein
  • · Replies 1 ·
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1

Undergrad Air resistance with Projectile Motion.

  • cmsoccer21
  • · Replies 1 ·
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1

High School AC Generators: Voltage or Current Source?

  • infamous_Q
  • · Replies 6 ·
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6

Undergrad Electric Circuit Theory Concept

  • anonymoussome
  • · Replies 1 ·
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1

Graduate Redundant cross product removed from Maxwell equation?

  • PhilDSP
  • · Replies 4 ·
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4

Graduate Derivation of Lorentz force Law strictly from maxwell's equations?

  • Peeter
  • · Replies 28 ·
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28

Undergrad Electric Potential across a Boundary

  • Apteronotus
  • · Replies 6 ·
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6

Graduate Is There a More Accurate Equation for the Magnetic Moment of a Solenoid?

  • Kydharis
  • · Replies 5 ·
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5

Undergrad Calculating KWH Generated by a Water Turbine?

  • arranged
  • · Replies 4 ·
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4

Undergrad Can Different Color Combinations Affect the Power Output of a Photovoltaic Cell?

  • alvintm
  • · Replies 3 ·
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3

Graduate What is the Relationship Between Wavelength and Aperture Size in EM Waves?

  • gareth
  • · Replies 32 ·
2
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32

High School Experiments Proving Electromagnetic Waves are Real

  • Moris526
  • · Replies 43 ·
2
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43

High School Electric and Electromagnetic force

  • mite
  • · Replies 2 ·
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2

Graduate Smallest and largest electromagnetic frequencies

  • Constructe
  • · Replies 2 ·
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2

Graduate Antenna Reactive Field: Capacitance, Inductance & Energy

  • fisico30
  • · Replies 2 ·
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2

Undergrad Wireless electrical power tranmission.

  • Topher925
  • · Replies 6 ·
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6

Undergrad Calculating Magnetic Force for 5kg Iron Sphere - Magnet Question

  • MonroeIns
  • · Replies 1 ·
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1

Graduate Does a uniformly accelerating charge radiate?

  • lugita15
  • · Replies 24 ·
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24

High School What does it mean that an electron has a negative charge?

  • Moris526
  • · Replies 1 ·
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1

Graduate What Happens When a Photon Meets an Isolated Electron?

  • gareth
  • · Replies 11 ·
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11

Graduate Question about electromagnetic force and mass

  • Mårten
  • · Replies 35 ·
2
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35

Graduate How Does Microgravity Affect Electrical Phenomena?

  • uiriamu
  • · Replies 1 ·
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1

Undergrad Permittivity and permeability of ErAs, SI or any metamaterial

  • antenna
  • · Replies 2 ·
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2

Undergrad What is electron cyclotron frequency?

  • likephysics
  • · Replies 3 ·
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3

High School Electromagnet Questions: Length & Layers

  • noagname
  • · Replies 11 ·
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11

Undergrad Magnetic Field: Conservative or Non-Conservative?

  • i_island0
  • · Replies 16 ·
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16

Undergrad How big are photons compared to electrons?

  • rcgldr
  • · Replies 5 ·
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5

Graduate Is It Incorrect to Use ∫E . dr in a Moving Conductor?

  • anantchowdhary
  • · Replies 31 ·
2
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31

Undergrad Magnetism & Energy: Unraveling the Mystery

  • ndenison
  • · Replies 7 ·
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7

Undergrad Need help understanding Gauss's Law

  • 1220Student
  • · Replies 6 ·
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6

Undergrad Electromagnetic Induction and Magnetism Questions

  • krfkeith
  • · Replies 2 ·
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2

Undergrad What Path Does a Charge Take in an AC Solenoid?

  • boooster
  • · Replies 1 ·
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1

Undergrad Trouble with the idea of frequency.

  • blipped
  • · Replies 11 ·
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11

High School Cause of the Electromotive Force.

  • understand.
  • · Replies 12 ·
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12

Graduate How Can I Measure Relative Amplitudes of Specific Frequencies in a Noise Field?

  • Bert Rackett
  • · Replies 1 ·
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1

Undergrad Discharging Capacitors into Capacitors

  • Seph83
  • · Replies 21 ·
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21

Undergrad Degaussing Ships: What do You Know?

  • Nietsnie
  • · Replies 11 ·
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11

High School Elementary Electronics physics resources?

  • piyudhaker
  • · Replies 1 ·
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1

Undergrad How powerful should the magnet be to repel against gravity?

  • spidey
  • · Replies 2 ·
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2

Undergrad Electromagnet Winding: 1200 Winds or 600 Winds?

  • magnetic-man
  • · Replies 1 ·
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1

High School Electric flux definition confusion

  • julius71989
  • · Replies 1 ·
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1

Undergrad Do Electrons, Protons, and Neutrons Generate Photons or Magnetic Fields?

  • protonic_mass
  • · Replies 4 ·
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4

Graduate Circularly-polarized plane wave and electron

  • fizzle
  • · Replies 18 ·
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18

Undergrad What is mean by charge in an electrostatic equilibrium ?

  • Aladin
  • · Replies 2 ·
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2

Graduate Does Lenz's Law Apply When Inserting an Iron Rod in a Solenoid?

  • i_island0
  • · Replies 4 ·
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4

Undergrad What Happens When Charged Capacitor Plates Are Separated?

  • curiouschris
  • · Replies 6 ·
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6

Graduate Are fields composed of particles or waves?

  • H0T_S0UP
  • · Replies 3 ·
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3

Graduate Permittivity a function of frequency

  • Point Conception
  • · Replies 2 ·
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2

High School Where do the electrons in a generator come from?

  • leftyguitarjo
  • · Replies 6 ·
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6

Graduate Can Activated Carbon Powder Fly Using Atmospheric Electric Field?

  • NERV
  • · Replies 1 ·
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1

High School Power Voltage Current: Ohm's Law & Decreasing Power Loss

  • grandia3
  • · Replies 4 ·
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4

High School How is the mechanical energy of a generator transformed into electrical energy?

  • stickythighs
  • · Replies 2 ·
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2

Graduate Amplitude of field with phasor components

  • misho
  • · Replies 2 ·
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2

High School Question about earth's magnetic field strength

  • nuby
  • · Replies 3 ·
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3