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Undergrad Rust Prevention by Electric Potential Difference.

  • recnepswillia
  • · Replies 2 ·
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2

Undergrad Earth's Magnetic Field vs Cell Phone EMF

  • Ratfish
  • · Replies 2 ·
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2

Graduate Understanding Inductance: Formulas & Contradictions Explained

  • yungman
  • · Replies 4 ·
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4

Graduate How Does a Capacitor Affect Conductor Motion in a Magnetic Field?

  • zorro
  • · Replies 13 ·
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13

Undergrad Understanding Ampere's Law in Cylindrical Shell Configurations

  • cragar
  • · Replies 2 ·
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2

Graduate Is Biot-Savart's Law Consistent with Early Physics Principles?

  • vishureddy
  • · Replies 3 ·
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3

Undergrad Flux vs Power Query - Explained

  • lavster
  • · Replies 3 ·
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3

High School Where is magnetic field strongest in a solenoid?

  • Googl
  • · Replies 7 ·
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7

Undergrad Find Inductance and Capacitance

  • MulatuOyarta
  • · Replies 11 ·
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11

High School Sea is a good conductor of electricity

  • quietrain
  • · Replies 5 ·
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5

Undergrad Eddy Current Brakes: Explaining the Mechanics

  • tamtam402
  • · Replies 1 ·
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1

Undergrad What is the relationship between flux and emf in an AC generator?

  • Googl
  • · Replies 2 ·
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2

Undergrad Can We Find an Electric Field Inside a Solenoid?

  • Googl
  • · Replies 6 ·
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6

Graduate Why do two wires with currents in the same direction attract?

  • bkiag
  • · Replies 7 ·
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7

Undergrad Why does electromagnetic energy only pass through certain hole sizes?

  • ChrisAndre
  • · Replies 3 ·
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3

High School What is the difference between permanent magnet fields and electromagnet fields?

  • Googl
  • · Replies 2 ·
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2

Undergrad Question about P=V*I, P=R*I^2 and V=R*I (electricity)

  • zooflute
  • · Replies 4 ·
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4

High School Upward motion of electrical arc

  • zumulko
  • · Replies 9 ·
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9

Graduate Understanding EM Wave Attenuation in Conductors and Dielectrics

  • silence98
  • · Replies 1 ·
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1

Undergrad Question about faraday's law of induction?

  • Princess19
  • · Replies 2 ·
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2

Graduate Can anyone please tell me a book or any paper where I can find this

  • ani4physics
  • · Replies 5 ·
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5

Graduate Di/dt for Growth and Decay in LR Circuit

  • aim1732
  • · Replies 2 ·
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2

Undergrad Electricity (DC) and magnetism

  • mtlpl
  • · Replies 1 ·
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1

High School The Magnetic Attraction of an Iron Nail

  • cragar
  • · Replies 2 ·
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2

High School Can I Use Magnets to Create a Temperature-Sensitive Pendulum?

  • AlchemistK
  • · Replies 13 ·
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13

Undergrad Moving charge in a magnetic field, magnetic-magnetic interaction?

  • henxan
  • · Replies 6 ·
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6

Undergrad Human frequency and muscle contractions

  • Mel2103
  • · Replies 5 ·
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5

Graduate Distance from light(or other electromagnetic)source

  • slyth
  • · Replies 1 ·
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1

Undergrad Kinetic theory - Maxwell-Boltzmann Distribution

  • realitybugll
  • · Replies 2 ·
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2

Undergrad Force between current carrying conductors

  • zorro
  • · Replies 2 ·
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2

Undergrad Calculating Current & Voltage in Coil with Magnet

  • Swifters
  • · Replies 4 ·
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4

Graduate What Materials Can Magicians Use to Secretly Mark Playing Cards for Detection?

  • DrinkGreenTea
  • · Replies 23 ·
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23

Undergrad Law of conservation - electric charge, brain death

  • cameronmoore
  • · Replies 1 ·
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1

Undergrad Questions about the Electromagnetic Spectrum

  • Oriako
  • · Replies 4 ·
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4

Graduate Paramagnetic rod in a uniform magnetic field

  • little
  • · Replies 3 ·
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3

Graduate Magnetic Fields: Forming & Understanding Instantaneous Force

  • euanos
  • · Replies 7 ·
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7

Graduate Question on a conducting ball in the middle of a constant electric field.

  • yungman
  • · Replies 3 ·
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3

Undergrad High frequency acoustic waves underwater

  • rusty009
  • · Replies 1 ·
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1

Graduate Electric analog of a heat pump

  • Stanley514
  • · Replies 4 ·
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4

Undergrad Repulsion / attraction force between magnets

  • sebitab
  • · Replies 1 ·
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1

Graduate Current in a superconducting circuit

  • Kiara
  • · Replies 23 ·
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23

Graduate Attaining speed of light with electric field

  • zorro
  • · Replies 3 ·
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3

High School Why is the E-field inside a conducting solid zero?

  • yinx
  • · Replies 3 ·
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3

Undergrad Electromagnet with and without airgap.

  • center o bass
  • · Replies 1 ·
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1

Graduate Understanding the Contradiction in Gauss Law for Planar Capacitors

  • hokhani
  • · Replies 4 ·
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4

Undergrad Magnetic Field at a point outside a solenoid

  • zorro
  • · Replies 4 ·
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4

High School Parallel Plate Capacitor - Dielectric Oscillator

  • connorb1542
  • · Replies 3 ·
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3

Undergrad Dipole Moment of Two Electrons

  • zachzach
  • · Replies 1 ·
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1

Undergrad Conservation of charge and electron flow?

  • HMS-776
  • · Replies 1 ·
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1

Undergrad How can the force between magnetic poles be accurately calculated?

  • Jack123
  • · Replies 2 ·
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2

Graduate On Skin Effect and Microstrip Lines

  • chr0mium
  • · Replies 12 ·
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12

High School Voltage and Resistors in Series

  • nDever
  • · Replies 3 ·
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3

High School What is the speed of electric current?

  • mbsid786
  • · Replies 2 ·
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2

High School What happens to magnetic fields when poles are near each other?

  • Newtype
  • · Replies 4 ·
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4

Undergrad What is the difference between Bias voltage and Gate voltage?

  • HappyJazz
  • · Replies 1 ·
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1

Undergrad Creating Sparks Through Air - Adrian's Physics Experiment

  • adoado
  • · Replies 6 ·
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6

Graduate Using Green's functions in electrostatics

  • quasar_4
  • · Replies 3 ·
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3

What Does the Physics 122 Course by Frank L. Wolfs Cover?

  • Astronuc
  • · Replies 10 ·
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10

Graduate Generating electricity from universal background radition?

  • 1101
  • · Replies 3 ·
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3

Undergrad What is the Role of Lenz's Law in Diamagnetism?

  • A Dhingra
  • · Replies 15 ·
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15

High School Lightning Strike and electrical power surge

  • Caveman717
  • · Replies 5 ·
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5

Undergrad Imaginary Field Lines vs True Iron Filings

  • Ralph Spencer
  • · Replies 19 ·
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19

Electric male plugs with rounds have slotted pins

  • jackson6612
  • · Replies 1 ·
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1

High School How to identify parallel and Series Capacitors ?

  • maryam.ch90
  • · Replies 2 ·
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2

Graduate Charges without fields, fields without charges

  • lalbatros
  • · Replies 3 ·
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3

High School Just curious how electric motors work, specifically DC motors.

  • LT72884
  • · Replies 17 ·
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17

Graduate Capacitance matrix and integral equation method

  • Jack the Stri
  • · Replies 1 ·
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1

Graduate How Can the Electric Field in a Microwave Plasma be Measured?

  • Jack Weng
  • · Replies 1 ·
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1

Graduate Question about electromagnetic metamaterials

  • material
  • · Replies 2 ·
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2

High School What if capasitor plate in different size

  • mentatx
  • · Replies 11 ·
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11

Undergrad Conversion of a Galvanometer to an Ammeter

  • zorro
  • · Replies 7 ·
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7

High School Where is the Energy Stored in an Air Coil?

  • MrPhy
  • · Replies 1 ·
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1

Undergrad Why Does Ampere's Law Use BL Instead of B(2L) for a Solenoid?

  • cragar
  • · Replies 2 ·
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2

Graduate Convection driven by magnetic field

  • styleworker
  • · Replies 1 ·
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1

Undergrad What is the limit of Volts possible?

  • Nile3
  • · Replies 12 ·
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12

Undergrad Electronics and a change in voltage

  • dmriser
  • · Replies 6 ·
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6

Undergrad What is the force that moves electrons?

  • madhatter106
  • · Replies 11 ·
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11

Graduate Where Can I Find More Information About Magnetic Flux Twisting?

  • tjrutan
  • · Replies 2 ·
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2

Undergrad Magnetic Field Strength: Inverse Proportionality to Square or Cube?

  • magnetics
  • · Replies 5 ·
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5

Graduate Effects of homogeneous and inhomogeneous magnetic fields on particles

  • magnetics
  • · Replies 2 ·
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2

Graduate The Physical Significance of the Second Term in Kirchhoff's Current Law

  • Apteronotus
  • · Replies 4 ·
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4

Undergrad Pnp transistor voltage/current graph

  • XuFyaN
  • · Replies 1 ·
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1

Undergrad Understanding Magnetism: An Alternative Explanation

  • daniel_i_l
  • · Replies 20 ·
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20

Graduate A question about acoustic wave equation

  • huangchao
  • · Replies 27 ·
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27

Undergrad Capacitor as voltage rise potential

  • madhatter106
  • · Replies 1 ·
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1

Graduate Measuring Tiny changes in Electric Field Strength

  • jonlg_uk
  • · Replies 8 ·
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8

Graduate Strange maxwell boltzmann statistics, what is it actually?

  • jessicaw
  • · Replies 4 ·
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4

Undergrad What Does V Represent in the Capacitor Equation q=C*V?

  • Learnphysics
  • · Replies 6 ·
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6

High School Can visible light excite electrons?

  • LogicalAcid
  • · Replies 8 ·
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8

Undergrad B field lines of an infinte solenoid?

  • cragar
  • · Replies 3 ·
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3

High School Random though regarding on current

  • Acuben
  • · Replies 5 ·
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5

Graduate Can Magnetic Traps Achieve Bose-Einstein Condensate?

  • Kalrag
  • · Replies 5 ·
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5

Graduate What is the magnetic boundary conditions between air and copper?

  • yungman
  • · Replies 2 ·
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2

Undergrad Proving Electric Flux Density: eE Determination

  • mym786
  • · Replies 6 ·
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6

Undergrad Magnetic Field Lines Formula (3D)

  • firemaster
  • · Replies 3 ·
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3

Graduate Using magnets to reach near absolute zero?

  • Kalrag
  • · Replies 7 ·
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7

Graduate Magnet's attraction without energy considerations

  • DaTario
  • · Replies 12 ·
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12

Graduate What is the current highest temperature super conductor?

  • superpaul3000
  • · Replies 7 ·
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7

Undergrad What Are N.E.I and T.N.E.I in Electric Induction?

  • solace28
  • · Replies 2 ·
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2

Graduate Electric & Magnetic Fields at Point P with Dielectric/Magnetic Material

  • yungman
  • · Replies 9 ·
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9