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Graduate How Does Speaker Motion Affect Pressure in Open and Closed Spaces?

  • Annirak
  • · Replies 4 ·
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4

Graduate Calculating Thermal Coefficient of a Resistor: Tips and Advice

  • DJJB
  • · Replies 3 ·
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3

Undergrad Understanding Electron Flow in a Wire: Doubts and Explanations

  • Ashu2912
  • · Replies 20 ·
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20

Graduate Magnetization in Classical EM: Bound Electric vs. Magnetic Charges

  • dgOnPhys
  • · Replies 6 ·
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6

Undergrad What Does the Negative Sign in the Electrostatic Potential V Formula Represent?

  • ap1993
  • · Replies 3 ·
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3

Graduate Why div B = 0 but div H not necessary 0?

  • yungman
  • · Replies 37 ·
2
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37

High School Why Can't a Windmill Be Powered by Magnets?

  • shuang
  • · Replies 5 ·
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5

High School Questions about magnetic energy, why dont we have it?

  • Denken
  • · Replies 1 ·
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1

High School Current producing electromagnetic force

  • kgm2s-2
  • · Replies 41 ·
2
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41

Graduate How Do Nuclear Forces Interact with Magnetic Forces in Fission Reactors?

  • spaceghost44
  • · Replies 2 ·
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2

Graduate Charge transfer within a dielectric

  • Calvin Cox
  • · Replies 10 ·
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10

High School Connecting a conductor with a voltage source

  • fawk3s
  • · Replies 2 ·
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2

Undergrad How Do Magnetic Fields Influence Water Behavior and Flow?

  • Exavatar
  • · Replies 6 ·
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6

Undergrad Is the Flux Density 1 Tesla if a Wire Over 1 Square Meter Produces 1 Volt?

  • magnetics
  • · Replies 3 ·
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3

High School Uniform field between parallel plates

  • RK1992
  • · Replies 9 ·
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9

Graduate Can a solenoid emit/receive electromagnetic radiation?

  • Lojzek
  • · Replies 6 ·
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6

High School Measuring Electric Field of Something

  • sYanGchronize
  • · Replies 5 ·
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5

Undergrad How Can an Electric Field Exist in a Conductor with Current Flow?

  • sumit6may
  • · Replies 2 ·
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2

Graduate Compass and Magnetic Susceptibility

  • fenestren
  • · Replies 1 ·
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1

Graduate Are Magnetic Monopoles Possible in Physics?

  • Unix60959
  • · Replies 10 ·
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10

Graduate What Is a Hertz Vector in Electromagnetism?

  • SayanP
  • · Replies 3 ·
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3

High School Are Diodes and Rectifiers Used in Electrical Transformers?

  • seto6
  • · Replies 1 ·
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1

High School In order for something to be conductive?

  • LogicalAcid
  • · Replies 3 ·
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3

Graduate Can someone explain the concept of a floating electrostatic shield?

  • rmatei
  • · Replies 9 ·
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9

Graduate Deriving the dielectric constant of water

  • Sourabh N
  • · Replies 2 ·
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2

Graduate Faraday rotation - why does the perpendicular B component not contribute?

  • siegeonager
  • · Replies 1 ·
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1

Undergrad Electricity & Its Properties: Exploring Valence Electrons & Lightning

  • LogicalAcid
  • · Replies 4 ·
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4

Undergrad Conceptual Capacitor Question (s)

  • BrianConlee
  • · Replies 6 ·
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6

High School How Can Increasing Resistance Affect Voltage and Current?

  • seto6
  • · Replies 2 ·
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2

Undergrad Magnetic flux with non-uniform magnetic field

  • Northprairieman
  • · Replies 6 ·
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6

Undergrad Magnetic sphere and induced current

  • mess1n
  • · Replies 1 ·
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1

Graduate The front of an electromagnetic wave (light propagation)

  • FireBones
  • · Replies 15 ·
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15

High School Radio communicattion in lower wavelength

  • Seanskahn
  • · Replies 1 ·
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1

Undergrad Possibly misteaching Circuits

  • DaTario
  • · Replies 12 ·
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12

Undergrad Gauss' Law and gaussian surface

  • EEWannabe
  • · Replies 12 ·
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12

High School Will a Magnet-Powered Torch "Run Out"?

  • wilkinsonjohn
  • · Replies 2 ·
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2

Graduate Electric power for lift and torque

  • elmarsur
  • · Replies 11 ·
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11

High School Where the energy to move electroscope leaves comes from?

  • alikim
  • · Replies 3 ·
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3

Undergrad Does a magnetic field really exist?

  • BradP
  • · Replies 4 ·
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4

Undergrad Why Do Only Iron and Nickel Exhibit Magnetic Properties Among Atoms?

  • misogynisticfeminist
  • · Replies 19 ·
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19

High School Understanding Parallel Resistance: Why Total Resistance is Smaller

  • jsmith613
  • · Replies 10 ·
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10

Undergrad Confusion with parallel plates

  • Airsteve0
  • · Replies 2 ·
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2

Graduate Dielectric Modulation: Motion Sensor, 200V Containment Field, 100mV Modulation

  • Calvin Cox
  • · Replies 2 ·
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2

Undergrad Capacitor and observer, what does he measure?

  • BrianConlee
  • · Replies 6 ·
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6

Undergrad Why are photons emitted when electrons drop energy levels

  • TungstenTesla
  • · Replies 10 ·
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10

Undergrad Moving water electrostatic generator

  • Stanley514
  • · Replies 2 ·
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2

Graduate Electrons and electromagnetic radiation.

  • LogicalAcid
  • · Replies 2 ·
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2

Undergrad Induction cooking: barefoot, with a metal spoon

  • veek
  • · Replies 10 ·
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10

Graduate Understanding Green's Function in Electromagnetism

  • quantum123
  • · Replies 7 ·
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7

Undergrad Why magnetic feilds are not dangerous for health but ELCTROMAgnetic fields are

  • Arslan
  • · Replies 25 ·
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25

Undergrad How does magnetic field induce current?

  • A Dhingra
  • · Replies 33 ·
2
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33

High School Do the answers and diagram in these exam questions contradict each other?

  • jsmith613
  • · Replies 6 ·
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6

High School A simple circuit - 2 lamps in parallel connection dim

  • fawk3s
  • · Replies 7 ·
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7

Undergrad What does the magnetic field look like in a torroidal coil?

  • Driftwood1
  • · Replies 2 ·
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2

Graduate Is Max Born Ignoring the Electric Field that Produces Current in his Theory?

  • GregAshmore
  • · Replies 2 ·
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2

Undergrad Alignment of micro dipoles in magnetic material in external magnetic field.

  • yungman
  • · Replies 5 ·
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5

Undergrad Why Use Binomial Expansion for Electric Dipole Fields?

  • manenbu
  • · Replies 1 ·
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1

Graduate Calculating Electrostatic Pressure from Metal Sphere

  • gulsen
  • · Replies 4 ·
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4

Undergrad Iron core energy change and transformers vs. ohms law

  • Order
  • · Replies 14 ·
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14

High School Is there a tool to measure resonant frequency?

  • michiru
  • · Replies 12 ·
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12

Graduate Modified Faraday Disc: EMF Calculation

  • sebqas
  • · Replies 6 ·
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6

Graduate Ampere's and Biot Savart Law for finite straight conductors

  • aim1732
  • · Replies 14 ·
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14

High School Magnetic Pole Reversal: Explaining the Paradox

  • endoparasite
  • · Replies 3 ·
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3

Undergrad Breaking a glass using an electromagnetic wave

  • eoghan
  • · Replies 7 ·
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7

Graduate Question about magnetostatic boundary condition.

  • yungman
  • · Replies 7 ·
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7

Graduate What is the correct math notation for the Coulomb Barrier?

  • seattle.truth
  • · Replies 3 ·
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3

Undergrad Calculating Magnetic Flux Density in a Solenoid

  • ryan9907
  • · Replies 1 ·
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1

Graduate Why is current induced into a solenoid

  • bongas
  • · Replies 12 ·
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12

Undergrad Electric Field and Coulombic Force: Effect of Halving Electrical Permittivity

  • wangdang
  • · Replies 3 ·
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3

Undergrad How can we use heat pumps to generate electrical energy efficiently?

  • amongiello
  • · Replies 21 ·
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21

Undergrad Effect of motion of a charge in two differenct refrence fremes

  • waqarrashid33
  • · Replies 1 ·
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1

Graduate Understanding Electric and Magnetic Fields

  • James98765
  • · Replies 7 ·
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7

Undergrad Electric motor on the wheels of an RC-car

  • Runei
  • · Replies 3 ·
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3

Graduate Simple magnetic forces and angular momentum conservation

  • readywil
  • · Replies 3 ·
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3

High School Countercurrent and concurrent exchanger?

  • sameeralord
  • · Replies 3 ·
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3

Undergrad What is the Default Speed of an Electron in a Vacuum?

  • physx_420
  • · Replies 6 ·
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6

Graduate Antenna Resistance: Complex Implications in Real Life

  • Seanskahn
  • · Replies 4 ·
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4

Undergrad Understanding m.k.s. Units for Electric Field

  • Acuben
  • · Replies 1 ·
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1

Undergrad High-voltage low-amperage current through the human body

  • fawk3s
  • · Replies 10 ·
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10

Graduate Electrostatics and reference frame

  • Heimdall
  • · Replies 1 ·
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1

High School Connecting wire from battery terminal to electroscope

  • zen-47
  • · Replies 1 ·
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1

Undergrad Electron Bombardment: Safety Check for X-Rays?

  • yipyap777
  • · Replies 5 ·
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5

High School How the charges are transferred?

  • johncena
  • · Replies 4 ·
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4

Undergrad When do you use R or r for Gauss' Law

  • Fjolvar
  • · Replies 4 ·
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4

Graduate Electron schwarzchild radius problem

  • mrllama
  • · Replies 3 ·
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3

Undergrad Does gravity cause electric resistance?

  • haael
  • · Replies 11 ·
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11

Undergrad Multiples of natural frequency?

  • LoveKnowledge
  • · Replies 3 ·
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3

Undergrad How is sound waves with timbre, etc. represented electronically?

  • The_Lobster
  • · Replies 6 ·
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6

Graduate Can Magnetic Fields Exist in a Perfect Vacuum?

  • Tonyo
  • · Replies 36 ·
2
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36

High School AC voltage from aluminum Grounded?

  • THORPE
  • · Replies 3 ·
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3

Undergrad Forced oscillations vs Natural frequency

  • Victorian91
  • · Replies 3 ·
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3

Graduate What Causes the Magnet to Move When Its Field Reaches Iron?

  • mrspeedybob
  • · Replies 7 ·
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7

Undergrad Electrical resistance of Earth

  • jaykay99
  • · Replies 12 ·
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12

Undergrad Does a Battery on a Table Create an Electric Field?

  • damosuz
  • · Replies 1 ·
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1

Undergrad Electromagnetic wave peaks don't travel through space?

  • lenfromkits
  • · Replies 4 ·
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4

High School How Do Wi-Fi and Bluetooth Devices Transmit Digital Data?

  • niksng
  • · Replies 1 ·
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1

High School Electrical resistance questions

  • wangdang
  • · Replies 3 ·
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3

Undergrad What will happen if I use a air core for 50Hz current tranformer

  • chudiandeyu
  • · Replies 9 ·
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9

Graduate Relation between Polarization and electric field for instantaneous response

  • Algarion
  • · Replies 1 ·
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1

Graduate Photon & Magnetism: Force Carrier?

  • richerrich
  • · Replies 4 ·
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4