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Graduate Magnetic permeability of air compared to ferrous materials

  • anorred
  • · Replies 7 ·
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7

Undergrad Electrostatics, capacitor question

  • potatocar
  • · Replies 1 ·
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1

Undergrad Without prefix:What is the explanation for Kirchhoff's Voltage Rule?

  • Bashyboy
  • · Replies 38 ·
2
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38

Graduate Please explain why one of the integral vanishes

  • yungman
  • · Replies 7 ·
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7

High School What Happens to the Charge on Capacitors After Battery Removal?

  • collectedsoul
  • · Replies 20 ·
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20

Undergrad The slopes of these graphs represent what? (Magnetic Fields)

  • RockThis52
  • · Replies 7 ·
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7

Undergrad Understanding Charge Density in Conductors: Factors and Influence

  • member 392791
  • · Replies 1 ·
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1

Undergrad Simplified form of Voltage Formula

  • Typhon4ever
  • · Replies 1 ·
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1

Graduate Why we can say electron emit radiation when it is accelerating?

  • Outrageous
  • · Replies 16 ·
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16

Graduate Spatial frequency of pixels in an FFT transformed image

  • lams
  • · Replies 13 ·
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13

Graduate Total Charge on Conducting Hollow Sphere

  • *FaerieLight*
  • · Replies 2 ·
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2

High School Help Experiment determining the Earth's magnetic field strength

  • Timbo17
  • · Replies 11 ·
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11

High School Magnetic field value assigned to a magnet meaning

  • anorred
  • · Replies 6 ·
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6

Undergrad Photodiode in parallel with resistor and capacitor

  • kum111
  • · Replies 15 ·
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15

Undergrad Conservation of Energy: Comparison between momentum & magnetic fields

  • magnetics
  • · Replies 3 ·
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3

Undergrad How is a moving coil meter converted into an ohmmeter?

  • Raikueza
  • · Replies 1 ·
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1

Undergrad How to ground EMF shielding/clothing?

  • mcriv880
  • · Replies 9 ·
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9

Undergrad EM field due to a long wire submitted to an AC current

  • jfgobin
  • · Replies 1 ·
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1

Undergrad Maximum possible current in a Conductor

  • suchith
  • · Replies 2 ·
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2

Undergrad Need help, Series RLC resonance circuit, not getting high voltage

  • kougou
  • · Replies 3 ·
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3

Undergrad Converting noise into electrical energy

  • kthouz
  • · Replies 115 ·
4
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115

Undergrad Can You Help Me Understand Reflected Waves and Power in Conductors?

  • CraigH
  • · Replies 2 ·
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2

Undergrad Is AC current analogous to sound waves?

  • CraigH
  • · Replies 2 ·
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2

Undergrad Magnetic field at the edges of a current-carrying wire

  • Nikitin
  • · Replies 2 ·
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2

Undergrad Voltage remain same on both sphere?

  • Hardik Batra
  • · Replies 1 ·
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1

Discover the Power of Focusing and Directing Magnetic Fields | BBC Video

  • GuyChris
  • · Replies 1 ·
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1

Undergrad Electric field inside a conductor

  • member 392791
  • · Replies 1 ·
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1

Graduate Using magnetic energy and causing degradation of the field

  • quantumfoam
  • · Replies 2 ·
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2

Graduate Where is the electron in this picture.

  • Spinnor
  • · Replies 4 ·
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4

High School Internal resistance understanding

  • waterliyl
  • · Replies 2 ·
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2

Undergrad Magnetic field outside a wire coiled on an iron cyl.

  • dmriser
  • · Replies 1 ·
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1

Undergrad Lenz's law - magnetic fields and Currents

  • kidi3
  • · Replies 5 ·
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5

High School Is kitchen wrap adhesive because of Electric Charge?

  • JJ91
  • · Replies 4 ·
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4

Undergrad Quick question about Ampere's Law and how to use it?

  • Jormungandr
  • · Replies 2 ·
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2

Undergrad What is the energy stored in a taser? Can you se 0.5*C*V^2?

  • tsuwal
  • · Replies 7 ·
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7

Undergrad Electric Potential Drop Across A Resistor

  • Bashyboy
  • · Replies 1 ·
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1

High School Can Adding a Potentiometer Adjust LED Brightness?

  • StevenA
  • · Replies 6 ·
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6

Graduate Magnetic field directionality, mathematic rigmarole?

  • Phyzwizz
  • · Replies 1 ·
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1

High School Negative Voltage: What Does It Mean?

  • Jaymo3141
  • · Replies 6 ·
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6

Graduate Divergence of inverse square field and Dirac delta

  • henpen
  • · Replies 10 ·
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10

Graduate Thermal effect of heat input on an iron rod - magnetostriction

  • ZedCar
  • · Replies 1 ·
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1

Graduate How is the Earth's magnetic field generated and maintained?

  • channel1
  • · Replies 1 ·
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1

High School Capacitors with unequally charged plates?

  • gralla55
  • · Replies 4 ·
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4

Graduate Difference btw induced and static electric field.

  • lavesh
  • · Replies 2 ·
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2

High School Coulomb's Law/Universal Gravitation for Magnets

  • DFTBA
  • · Replies 8 ·
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8

Undergrad Oscillation Frequency: Horizontal vs Inclined Plane

  • n3w ton
  • · Replies 3 ·
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3

Undergrad Electrically connected charged balls

  • Bashyboy
  • · Replies 1 ·
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1

Undergrad Conductors in large electric fields

  • gralla55
  • · Replies 3 ·
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3

High School Electric Potential Across Capacitors

  • Bashyboy
  • · Replies 25 ·
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25

Undergrad Resistance and Electric Potential

  • spspspspsp
  • · Replies 6 ·
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6

Undergrad Electrons velocity and Potential energy

  • tonyjk
  • · Replies 47 ·
2
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47

Graduate On carbon, methane and electromagnetic radiation

  • Tweedle Dee
  • · Replies 2 ·
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2

Graduate Maximum magnetic force produced by ferrous material

  • anorred
  • · Replies 1 ·
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1

Undergrad Force between a bar magnet and iron

  • anorred
  • · Replies 3 ·
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3

Undergrad Capacitor charged then disconnected

  • member 392791
  • · Replies 14 ·
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14

High School How Can You Determine the Reach of a Magnetic Field?

  • Yamspotato
  • · Replies 1 ·
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1

Graduate Electrons in uniform magnetic field.

  • DemoniWaari
  • · Replies 3 ·
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3

Graduate How do you obtain electrons and know their average velocity?

  • quantumfoam
  • · Replies 2 ·
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2

Graduate Is the effective aperture of an antenna a constant?

  • yungman
  • · Replies 1 ·
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1

High School I don't understand capacitance

  • member 392791
  • · Replies 21 ·
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21

Undergrad Circuit schematics: Equivalent Representations of circuits

  • Minhtran1092
  • · Replies 7 ·
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7

Undergrad Why is there a correlation between gravitational and magnetic fields?

  • p1l0t
  • · Replies 4 ·
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4

Graduate Continuity conditions in electrodynamics.

  • nick4189
  • · Replies 1 ·
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1

High School What Are the Units of Resistivity?

  • Bashyboy
  • · Replies 3 ·
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3

High School Why Is 'B' Used For Referring To A Magnetic Field?

  • Moogroo
  • · Replies 6 ·
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6

Graduate Can the air disruptive field (about 3*10^6 V/m) be calculated?

  • tsuwal
  • · Replies 1 ·
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1

Graduate Can Air Resistance Slow Down Subatomic Particles?

  • Nevermore1
  • · Replies 2 ·
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2

Undergrad Voltage over a capacitor in a RC-circuit.

  • Nikitin
  • · Replies 4 ·
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4

Graduate What would E field addition be if Gauss's law was different

  • Curl
  • · Replies 8 ·
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8

Undergrad Need help with Magnetic Force (Calculus)

  • ohshiznit422
  • · Replies 5 ·
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5

High School Verifying Ohm's Law: Measuring Current, Voltage & Resistance

  • Shakarri
  • · Replies 7 ·
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7

High School Resistors in seris and in parallel

  • Moninder
  • · Replies 2 ·
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2

Undergrad Polarization density in a dielectric?

  • Nikitin
  • · Replies 40 ·
2
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40

High School The difficulty of understanding voltage

  • PhysE
  • · Replies 27 ·
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27

Graduate Superconductors and induction - what are the posibilities?

  • TomVok
  • · Replies 4 ·
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4

Undergrad Gauss's Law and Electric fields

  • ehabmozart
  • · Replies 6 ·
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6

Undergrad How Do RC Circuits Function with Zero Potential Energy Post-Resistor?

  • cjurban
  • · Replies 4 ·
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4

Undergrad Does Gauss's Law hold true for a point charge near a sphere?

  • ehabmozart
  • · Replies 2 ·
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2

Graduate Cyclosis in Maxwell's Electromagnetism (Vol.1)

  • khil_phys
  • · Replies 5 ·
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5

Undergrad Derivation Of The Energy Stored In A Capacitor

  • Bashyboy
  • · Replies 13 ·
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13

Undergrad Induced charge on a solid metal sphere

  • luhar
  • · Replies 3 ·
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3

Undergrad Gauss's Law: Understanding kQ/r^2 in Point Charge Surroundings

  • ehabmozart
  • · Replies 3 ·
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3

High School Magnetic Field vs Electric Field

  • Aspchizo
  • · Replies 15 ·
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15

Undergrad I understanding inductive reactance

  • rp8308
  • · Replies 5 ·
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5

Undergrad Why do physicists care about electrical potential?

  • member 392791
  • · Replies 6 ·
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6

Undergrad Why can't photoelectric effect be explained by wave phenomenon ?

  • Rahat34
  • · Replies 10 ·
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10

Undergrad Characterize EM wave propagate in +z and -z

  • yungman
  • · Replies 13 ·
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13

Graduate Understanding the physics of induced charge over a perfect conductor

  • fluidistic
  • · Replies 7 ·
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7

Undergrad How does voltage affect particles in current

  • Screwy
  • · Replies 45 ·
2
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45

Graduate Voltage due to electrostatic induction

  • mcconohy
  • · Replies 3 ·
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3

Graduate Magnetic Fields - Just Convenient Mathematical Conceptualizations?

  • modulus
  • · Replies 9 ·
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9

Graduate Div D, div E. What rho is it. (electrostatics)

  • fluidistic
  • · Replies 2 ·
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2

Undergrad Capacitors in Series: Understand Potential Difference

  • Bashyboy
  • · Replies 26 ·
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26

Undergrad Correlation between Magnetic susceptibility of soil and it's fertility

  • paulojomaje
  • · Replies 9 ·
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9

Undergrad Electric potential reference points confusion

  • Shinobii
  • · Replies 2 ·
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2

High School Why does the same frequency sounds differ?

  • !kx!
  • · Replies 36 ·
2
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36

Undergrad A lot of questions to ask about E

  • asdff529
  • · Replies 7 ·
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7

Undergrad Why Do Macro Materials Wear Out If They Are Made of Micro Particles?

  • Crazymechanic
  • · Replies 1 ·
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1

Undergrad Insulator and conductor with electrostatic problems

  • member 392791
  • · Replies 2 ·
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2

Graduate Why supercapacitor energy density is so high?

  • Stanley514
  • · Replies 10 ·
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10