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Undergrad Is there a certain limit of force to a magnetic field?

  • Wiz700
  • · Replies 16 ·
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16

Graduate Angular momentum in ElectroMagnetic fields(Feynman's Disk Paradox)

  • Henriamaa
  • · Replies 1 ·
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1

Undergrad Why does current decay in an RL circuit?

  • suhasm
  • · Replies 4 ·
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4

Undergrad Electron changing energy state

  • Johnahh
  • · Replies 3 ·
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3

Undergrad Why does Electromagnetic Radiation move?

  • pkc111
  • · Replies 11 ·
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11

Undergrad Capacitor having equal charges on plates connected to a battery

  • Vibhor
  • · Replies 7 ·
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7

Undergrad Length of a conductor vs. Resistance

  • yeveat
  • · Replies 4 ·
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4

Graduate Qualitative understanding of electrical quadrapole moment

  • blaisem
  • · Replies 4 ·
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4

Undergrad Why is the magnetic field inside an ideal solenoid uniform

  • jayman16
  • · Replies 3 ·
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3

Graduate Does the Curl Relationship Exist in Both Directions for Vector Fields?

  • hisotaso
  • · Replies 4 ·
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4

Graduate How Does Ampere's Law Apply to Complex Magnetic Field Configurations?

  • CAF123
  • · Replies 7 ·
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7

Undergrad Propagation of electromagnetic waves

  • dev70
  • · Replies 22 ·
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22

Undergrad Two wire touching side by side

  • Askara
  • · Replies 1 ·
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1

High School Can two objects having same sign charges attract each other

  • Vibhor
  • · Replies 7 ·
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7

Undergrad How does a faraday cage shields against internal e-fields?

  • leviterande
  • · Replies 15 ·
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15

Undergrad Confused about the electric field at the surface of a conductor

  • parsa7parsa
  • · Replies 3 ·
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3

High School Understanding the Fundamentals of Eddy Currents: Explained Simply

  • Pseudo Epsilon
  • · Replies 5 ·
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5

Graduate Einstein summation notation for magnetic dipole field

  • mmpstudent
  • · Replies 7 ·
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7

Graduate Magnetic field and skin effect

  • Vikas_Madhu
  • · Replies 2 ·
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2

Graduate Problem with use of 'velocity' of charged particle in lorentz force eq

  • pratikaman
  • · Replies 2 ·
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2

Undergrad Test charge in electric and magnetic field

  • FireStorm000
  • · Replies 2 ·
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2

Undergrad Calculating Magnet Field for Solenoid and Horseshoe Magnet: What Am I Missing?

  • 215
  • · Replies 7 ·
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7

High School Zero speed due to air resistance

  • DarkFalz
  • · Replies 4 ·
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4

Undergrad What do the gradient magnets do on MRI scanners?

  • kkid
  • · Replies 2 ·
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2

Undergrad Why do different gauss meters measure magnetic field strength differently

  • magnetics
  • · Replies 8 ·
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8

Undergrad Ampere's Law physical significance

  • member 392791
  • · Replies 15 ·
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15

Undergrad What gives the electron the energy to continuosly orbit

  • mrcotton
  • · Replies 7 ·
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7

Graduate Applying the conservation of energy law to electrical circuits.

  • CraigH
  • · Replies 6 ·
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6

High School Quetion about direction of magnetic field lines

  • mesa
  • · Replies 6 ·
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6

Undergrad Do Electrons Orbit Nuclei at the Same Distance?

  • Emissive
  • · Replies 5 ·
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5

High School Parallel/Series Combination Circuits

  • N2L48
  • · Replies 3 ·
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3

Undergrad How to Calculate Windings for a 1 T Solenoid Electromagnet with Iron Core

  • 215
  • · Replies 4 ·
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4

Graduate Can Electric Fields be Discontinuous? - Conservation of Charge

  • mfduqued
  • · Replies 6 ·
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6

Graduate Electron Diffraction: Polycrystalline vs Monocrystal

  • M. next
  • · Replies 5 ·
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5

Undergrad Why is there a contradiction in the signs for electrical potential equations?

  • x86
  • · Replies 1 ·
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1

Undergrad Optimizing DC Current Through Neodymium Magnets for Efficient Power Transfer

  • ebaqui
  • · Replies 5 ·
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5

Undergrad Falling Objects and Air Resistance

  • galacticfan
  • · Replies 3 ·
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3

Undergrad Electricity Q&A: About Electrification

  • bentzy
  • · Replies 2 ·
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2

Graduate Finding Magnetic Field for Infinite Sheet Concept

  • ltkach
  • · Replies 1 ·
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1

Undergrad Where does an electron's kinetic energy go?

  • LightningB0LT
  • · Replies 4 ·
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4

Undergrad Determining resistance of oscilloscope.

  • peripatein
  • · Replies 16 ·
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16

Undergrad What is the acoustic power output of a blue whale in Watts?

  • Jiggy-Ninja
  • · Replies 8 ·
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8

Graduate Could capacitors ever rival best batteries?

  • Stanley514
  • · Replies 14 ·
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14

Undergrad How can I optimize my electro magnet?

  • 215
  • · Replies 4 ·
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4

Undergrad Gauss theorem and the nature of the surface

  • ananthu
  • · Replies 7 ·
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7

Graduate Surface impedance - Boundary condition

  • EmilyRuck
  • · Replies 1 ·
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1

Undergrad How come potential energy is negative when charges attract

  • x86
  • · Replies 1 ·
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1

Undergrad Interpreting Hall Effect Equation Physically: B & V

  • asdff529
  • · Replies 4 ·
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4

Graduate Electromagnetism coupled with continuum mechanics

  • HomogenousCow
  • · Replies 3 ·
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3

High School Can Adding an Electron Change the Properties of a Hydrogen Atom?

  • tinypositrons
  • · Replies 1 ·
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1

Graduate Acoustic communication impossible in even-D

  • atyy
  • · Replies 9 ·
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9

Undergrad Calculate Current for 5V Sinusoidal Input Voltage

  • Vikas_Madhu
  • · Replies 27 ·
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27

High School How Do Magnets Generate Forces?

  • magmash
  • · Replies 2 ·
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2

Undergrad Electric field direction and permittivity

  • zrek
  • · Replies 6 ·
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6

Undergrad Coulomb's Third Law of Friction

  • Cromptu
  • · Replies 1 ·
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1

Graduate Confusion on Continuity of Current and Free Charge in Conductor

  • wzy75
  • · Replies 6 ·
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6

Graduate How is the alternating electric potential produced in cyclotrons?

  • tachyon_man
  • · Replies 6 ·
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6

Undergrad I don't understand this equation

  • member 392791
  • · Replies 8 ·
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8

Undergrad Calculating Current in a Diode Circuit with Given Voltages

  • Proff Young
  • · Replies 10 ·
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10

Graduate How Is Energy Flux Calculated in an Electromagnetic Wave?

  • guillefix
  • · Replies 2 ·
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2

Undergrad Electromagnetic wave propagation when blocked by metal

  • vincenttswong
  • · Replies 5 ·
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5

Undergrad Is the Electric Field Inside an Irregular Shaped Conductor Always Zero?

  • sanoo
  • · Replies 3 ·
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3

Undergrad AC circuits - Complex vs Ordinary notation

  • Nikitin
  • · Replies 5 ·
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5

Graduate Couple of Questions Regarding EM Waves

  • virtuosowanaB
  • · Replies 1 ·
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1

Undergrad Does a bifilar coil cancel its own magnetic field?

  • Vikas_Madhu
  • · Replies 6 ·
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6

Undergrad Faraday's law. Induced electric field.

  • disknoir
  • · Replies 2 ·
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2

Graduate Is there always a phase shift between current and voltage in an RLC circuit?

  • Nikitin
  • · Replies 1 ·
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1

Graduate Voltage measured across a capacitor with embedded charges

  • Barloud
  • · Replies 8 ·
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8

High School Electric circuits/voltage/resistor

  • Bengo
  • · Replies 1 ·
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1

High School Understanding Current: Definition and Comparison to Math-Defined Current

  • Nikitin
  • · Replies 4 ·
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4

Undergrad Is Maxwell's third law the proof of conservation of energy in E&M?

  • Wiz700
  • · Replies 2 ·
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2

Graduate Solving Low Resistance Problem to Generate Magnetic Field

  • Vikas_Madhu
  • · Replies 9 ·
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9

Graduate Magnetic field = 0 inside a conducting wire?

  • Nikitin
  • · Replies 1 ·
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1

Graduate Voltage Vector/Scalar Components, SI Units, Direction and Polarity.

  • XPTPCREWX
  • · Replies 1 ·
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1

Undergrad How to calculate power output in piezoelectric material?

  • kev139
  • · Replies 2 ·
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2

Undergrad Direction of magnetic field inside infinite slab

  • Aziza
  • · Replies 1 ·
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1

Graduate How do I calculate the necessary force for my solenoid and return spring?

  • Kalagaraz
  • · Replies 4 ·
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4

Graduate Is E in Maxwell-Equations really E ?

  • ManDay
  • · Replies 11 ·
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11

High School Troubleshooting Circuit with Kirchhoff's Laws

  • Kokoska
  • · Replies 3 ·
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3

Undergrad Relationship between force and Velocity in Magnetic Fields

  • Typhon4ever
  • · Replies 10 ·
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10

High School Is the Earth's Magnetic Field strong and does it fluctuate a lot

  • PPERERA
  • · Replies 2 ·
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2

Graduate Recovering WWII magnetic amplifier technology

  • wvphysicist
  • · Replies 8 ·
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8

Undergrad Faraday's law and gauss's law for magnetism apparent contradiction

  • fishingspree2
  • · Replies 3 ·
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3

High School Why don't fluorescent bulbs blow up when electricity is connected?

  • supak111
  • · Replies 15 ·
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15

Graduate Do magnetic fields have any effect on dielectric breakdown

  • curiousity117
  • · Replies 1 ·
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1

Undergrad How Do You Determine Magnetic Force Direction When Fields Aren't Perpendicular?

  • member 392791
  • · Replies 2 ·
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2

Undergrad Uniqueness Theorem in Electrostatics - Explanation

  • BBAI BBAI
  • · Replies 1 ·
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1

Undergrad Electric field and gauss law for different models of sphere

  • exuberant.me
  • · Replies 3 ·
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3

Undergrad Please answer i have a test in 11 hours

  • syracuseking96
  • · Replies 5 ·
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5

Undergrad 2 solenoids: emf and frequency

  • bznm
  • · Replies 1 ·
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1

Graduate What Magnetic field is generated

  • Vikas_Madhu
  • · Replies 8 ·
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8

Undergrad Electric field due to infinite sheet

  • kahwawashay1
  • · Replies 3 ·
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3

Graduate Why is there current induced on Faraday's disk?

  • raopeng
  • · Replies 2 ·
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2

Undergrad Conversion of Voltage into Radiation counts

  • emirflores
  • · Replies 12 ·
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12

Undergrad Calculating the Field strength of a magnet at a certain distance

  • kaikalii
  • · Replies 1 ·
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1

Undergrad Altitude where Earth's magnetic field will no longer affect a compass

  • magnetics
  • · Replies 9 ·
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9

Undergrad Dipole - the calc. seems a bit illogical though correct

  • exuberant.me
  • · Replies 2 ·
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2

High School One misconception about magnets

  • UsualMan
  • · Replies 1 ·
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1

Graduate Could a magnetic charge make free energy?

  • Thesnake22
  • · Replies 3 ·
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3

Undergrad Idea of efficient electricity generating system model?

  • sci_fan
  • · Replies 1 ·
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1