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High School Is lightning caused by the cloud acting as a capacitor?

  • ChromeBit
  • · Replies 5 ·
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5

Graduate Ohm's law and emf for non static electric fields

  • almarpa
  • · Replies 2 ·
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2

Undergrad Why is charge a scalar in physics?

  • shangriphysics
  • · Replies 11 ·
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11

Graduate How Are Debye Length and Ohm's Law Related?

  • IamStupid
  • · Replies 1 ·
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1

Undergrad Why does Saran Wrap become charged?

  • iScience
  • · Replies 5 ·
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5

Undergrad Five questions about electromagnetic radiation

  • pleco
  • · Replies 44 ·
2
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44

Graduate Parallel plate capacitor with layers of dielectrics in between

  • ShayanJ
  • · Replies 1 ·
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1

Graduate Necessity for action to be a Lorentz scalar

  • HJ Farnsworth
  • · Replies 2 ·
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2

Graduate Direct conversion from heat to electrical energy

  • inelwk22
  • · Replies 15 ·
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15

Undergrad Electric Flux: Understand and Calculate

  • tecnics
  • · Replies 5 ·
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5

Graduate Why are magnetic and electric fields not considered the same?

  • jaydnul
  • · Replies 4 ·
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4

Undergrad Why can't a closed conductor have excess charge inside?

  • tecnics
  • · Replies 1 ·
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1

Undergrad Direction of the Force from an EM Wave

  • Drakkith
  • · Replies 58 ·
2
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58

Graduate MRI question: Production of EM Waves using magnets

  • Alexander83
  • · Replies 2 ·
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2

Undergrad Maximizing Ultrasonic Wave Production with Magnetostriction Method

  • smart_worker
  • · Replies 2 ·
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2

Undergrad Electric Field Zero on Gaussian Surface with No Charges

  • tecnics
  • · Replies 3 ·
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3

Graduate Electromagnetics question for physicists/engineers

  • jjb23
  • · Replies 5 ·
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5

Graduate Free electron beam inducing an EM field in a target?

  • TheIdeanator
  • · Replies 5 ·
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5

Graduate Derivation of Faraday's Law from Lorentz's

  • iScience
  • · Replies 1 ·
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1

Graduate Separation of Variables In Electrostatics

  • M-Speezy
  • · Replies 1 ·
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1

Undergrad Confusion in understanding how electric heating works

  • alditi
  • · Replies 2 ·
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2

Undergrad Difference between Coulomb's and E-static?

  • QuestionMarks
  • · Replies 7 ·
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7

Undergrad Asymmetrical charged parallel plates capacitor

  • abdo799
  • · Replies 3 ·
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3

High School What is an EM wave composed of?

  • EEngineer91
  • · Replies 21 ·
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21

Graduate Confusion about transformer and flux

  • tasnim rahman
  • · Replies 26 ·
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26

Graduate Understanding Orbital Shapes: The Probability of Electron Location

  • Meson080
  • · Replies 55 ·
2
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55

Undergrad Are There Really Slow Moving Electrons?

  • KatamariDamacy
  • · Replies 27 ·
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27

Graduate Is Electric Potential the Key to Understanding Earnshaw's Theorem?

  • M-Speezy
  • · Replies 5 ·
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5

Graduate Electrostatic discharge and metal rods

  • Axe199
  • · Replies 18 ·
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18

Graduate How Do Unpaired Electron Orbits React to External Magnetic Fields?

  • iScience
  • · Replies 1 ·
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1

Undergrad Inducing a signal in a wire over a short distance

  • ChromeBit
  • · Replies 6 ·
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6

Graduate Radiation of an accelerating charge

  • HAMJOOP
  • · Replies 5 ·
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5

Graduate Gradient of Scalar Field: Compact Magnetization Density

  • newbee
  • · Replies 4 ·
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4

Undergrad Replacing Batteries in Chair Lift with DC Power Supply

  • rknudson
  • · Replies 36 ·
2
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36

High School A different definition of radiation flux

  • shanepitts
  • · Replies 3 ·
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3

Undergrad Number of photons in photoelectric effect

  • cbram
  • · Replies 5 ·
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5

High School Do AM waves have symmetrical amplitude?

  • ChromeBit
  • · Replies 8 ·
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8

Graduate How do charges redistribute in a conductive sphere with a charged object inside?

  • iScience
  • · Replies 2 ·
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2

High School Electric current in household wires

  • kartikwat
  • · Replies 9 ·
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9

Undergrad Using magnets to hold an object in place on a large timber beam.

  • tomo2014
  • · Replies 5 ·
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5

Undergrad Electric field inside a cavity

  • kartikwat
  • · Replies 3 ·
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3

Graduate What is the relationship between current density and position and time?

  • almarpa
  • · Replies 2 ·
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2

Graduate What is the electric potential of Earth?

  • morangta
  • · Replies 1 ·
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1

Graduate Electrons acceleration in a wire

  • aeacus
  • · Replies 7 ·
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7

Graduate Maxwell's equation which convective derivative

  • enternamehere
  • · Replies 8 ·
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8

Undergrad How do transformers obey ohm's law?

  • Entanglement
  • · Replies 40 ·
2
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40

Graduate Non stationary currents and Ohm's law.

  • almarpa
  • · Replies 2 ·
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2

Graduate In what year was proposed that light is an electromagnetic wave?

  • tonyxon22
  • · Replies 3 ·
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3

Undergrad How do electrical pulses limit the bandwidth of a standard telephone line?

  • Jimmy87
  • · Replies 11 ·
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11

Undergrad Electromagnetic waves and charge

  • arvindsharma
  • · Replies 9 ·
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9

High School In order to generate electricity is copper required?

  • dan020350
  • · Replies 6 ·
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6

High School Paramagnetic Substance: Attraction to Magnetic Field

  • Hardik Batra
  • · Replies 1 ·
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1

Undergrad How to Find Most Current Physics Models

  • irishhockey
  • · Replies 4 ·
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4

Graduate Calculating power and energy based on frequency and amplitude (pascal)

  • H2Bro
  • · Replies 9 ·
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9

Undergrad Why Does My Guitar Amp Sound Different in My Basement Compared to Live Venues?

  • airbusman
  • · Replies 10 ·
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10

Undergrad Electric current in bulk material

  • kartikwat
  • · Replies 1 ·
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1

Undergrad Work by External Force on an electric field

  • skepticwulf
  • · Replies 7 ·
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7

Undergrad Faraday's paradox: homopolar generator on a train

  • carrz
  • · Replies 52 ·
2
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52

Graduate Faraday's law for electrostatics

  • Axe199
  • · Replies 23 ·
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23

Undergrad (Electro)magnetic properties of mylar? If you wrap a laptop in mylar

  • syntotic
  • · Replies 2 ·
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2

High School What Is the Direction of Current in a Circuit Without Simplifying It?

  • Hardik Batra
  • · Replies 25 ·
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25

High School What is voltage and how to look at it intellectually?

  • kartikwat
  • · Replies 32 ·
2
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32

Undergrad Meter Bridge Experiment: Limitations for Measuring Small Resistance

  • Hardik Batra
  • · Replies 8 ·
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8

Graduate Is a Virtual Photon Flux the Same as Ether?

  • Deco56
  • · Replies 1 ·
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1

Graduate Electrostatic charge or dieletric field?

  • Deco56
  • · Replies 10 ·
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10

Undergrad What creates the electric field in an electric circuit?

  • tonyjk
  • · Replies 22 ·
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22

Graduate Curiosity about current density

  • STEMucator
  • · Replies 7 ·
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7

Graduate Biot–Savart law: the origin of chirality?

  • carrz
  • · Replies 9 ·
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9

Graduate Free electrons and intrinsic spin magnetic dipole moment orientation?

  • carrz
  • · Replies 4 ·
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4

Undergrad Magnet Type for Heat Engine: Alnico or Rare Earth?

  • TESL@
  • · Replies 4 ·
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4

Undergrad Electric field, Equipotential surfaces

  • Prashasti
  • · Replies 1 ·
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1

Graduate Electrodynamics (Lorentz to Faraday)

  • iScience
  • · Replies 2 ·
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2

Undergrad Current carrying conductor has a net force parallel to earth, why?

  • leviterande
  • · Replies 9 ·
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9

Graduate Three Dimensional Charge Density in Capacitor Plates

  • Conservation
  • · Replies 3 ·
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3

Undergrad If a battery can't supply enough current, does voltage read lower?

  • overtak3n
  • · Replies 11 ·
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11

Undergrad Can Accumulating Charges Be Increased by Placing Machines Underwater?

  • Axe199
  • · Replies 4 ·
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4

Undergrad Have i got the DIFFERENCE BETWEEN PERMITTIVITY AND PERMEABILITY Right?

  • BINNOY.S.P
  • · Replies 1 ·
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1

Graduate Light bending with electric or magnetic field?

  • carrz
  • · Replies 4 ·
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4

Undergrad Conduction of electricity in semiconductors

  • kartikwat
  • · Replies 1 ·
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1

Graduate Electricity Generation by piezoelectric effect in Injection Moulding

  • nomi.dawlance
  • · Replies 5 ·
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5

Undergrad Coulomb interaction not affected by presence of other charges

  • rajeshmarndi
  • · Replies 6 ·
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6

Graduate What is the relationship between voltage, electric potential, and power?

  • Greg Bernhardt
  • · Replies 1 ·
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1

Undergrad What is Resistivity? Definition & Equations

  • Greg Bernhardt
  • · Replies 1 ·
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1

Graduate What is Permittivity? Definition & Explanation

  • Greg Bernhardt
  • · Replies 1 ·
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1

Graduate What is the Definition and Function of a Magnetic Field?

  • Greg Bernhardt
  • · Replies 1 ·
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1

Graduate What Are the Fundamental Principles of Maxwell's Equations?

  • Greg Bernhardt
  • · Replies 0 ·
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0

Undergrad What is Impedance? A 5 Minute Introduction

  • Greg Bernhardt
  • · Replies 0 ·
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0

Graduate What is Free Charge? Definition and Explanation

  • Greg Bernhardt
  • · Replies 1 ·
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1

Graduate What are the differences between scalar and vector flux in electromagnetism?

  • Greg Bernhardt
  • · Replies 1 ·
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1

Graduate What is the Definition and Function of a Field in Physics?

  • Greg Bernhardt
  • · Replies 1 ·
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1

Graduate What is the Definition and Function of an Electric Field?

  • Greg Bernhardt
  • · Replies 1 ·
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1

Undergrad Is There a Significance to FSsinθ in Electrical Circuits?

  • faiz4000
  • · Replies 1 ·
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1

Graduate Electric and Magnetic Units: Definition and Summary

  • Greg Bernhardt
  • · Replies 0 ·
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0

Graduate Coulomb's Law: Definition & Summary

  • Greg Bernhardt
  • · Replies 1 ·
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1

Graduate Definition of Conductor: What is a Conductor?

  • Greg Bernhardt
  • · Replies 1 ·
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1

Graduate What is a Capacitor: Definition, Summary & Equations

  • Greg Bernhardt
  • · Replies 1 ·
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1

High School What happens when charge enters the resistor?

  • kartikwat
  • · Replies 6 ·
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6

Undergrad How do vectors and electric field lines differ in representing electric fields?

  • Korisnik
  • · Replies 6 ·
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6

Undergrad How is a Galvanometer Converted into an Ammeter Using a Shunt?

  • Hardik Batra
  • · Replies 3 ·
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3

Graduate Is it really true that "no charge builds up" in a circuit?

  • confundido
  • · Replies 2 ·
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2