Electromagnetism Forum

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High School Magnus effect and Air resistance

  • Roffmanjoe
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1

Undergrad How do you calculate heat flux through a piece of metal?

  • Con?used
  • · Replies 2 ·
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2

Graduate What is a transmission line resonator ?

  • hiyok
  • · Replies 2 ·
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2

Undergrad How does exactly higher capacitance have more bang for your buck ?

  • The_Lobster
  • · Replies 1 ·
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1

Undergrad Solve Electrical Circuit: Find Vo & Draw Thevenin Equiv.

  • zeru
  • · Replies 1 ·
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1

Graduate Irradiance and electric field strength

  • nadlerchen
  • · Replies 1 ·
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1

High School What exactly is the difference between frequency and period?

  • LoveKnowledge
  • · Replies 5 ·
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5

High School How do I express the frequency of the hour hand?

  • LoveKnowledge
  • · Replies 4 ·
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4

High School Right Hand Rule for Magnetic Fields

  • musiliu
  • · Replies 2 ·
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2

Undergrad Defining Electromotive Force (\epsilon)

  • Petar Mali
  • · Replies 1 ·
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1

Graduate Cartesian equation for the Magnetic field resulting from a single current loop?

  • kilianod5150
  • · Replies 3 ·
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3

Undergrad Trajectory of a projectile WITH air resistance?

  • bolshevik
  • · Replies 1 ·
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1

Graduate Gravity & Magnetism: Generating Electricity?

  • atal
  • · Replies 1 ·
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1

Graduate Maxwell stress tensor in electrodynamics

  • Petar Mali
  • · Replies 8 ·
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8

High School Electric Field Speed - Questions Answered

  • MHD93
  • · Replies 5 ·
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5

Graduate Poynting vector in static electromagnetic field

  • zql
  • · Replies 7 ·
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7

Undergrad Magnetic force does not realize work

  • intervoxel
  • · Replies 11 ·
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11

Undergrad The accurateness of electricity laws

  • MHD93
  • · Replies 5 ·
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5

Undergrad Why Does a Light Bulb's Resistor Burn Out When Directly Connected to an Outlet?

  • theplanck
  • · Replies 3 ·
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3

Undergrad Sinosoidal curves representing waves

  • Parbat
  • · Replies 3 ·
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3

Undergrad Really elementary conceptual question

  • Utter Novice
  • · Replies 6 ·
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6

Undergrad How Does the Length of a Yoke Affect the Inductance of Yoked Coils in Series?

  • Phaedrus
  • · Replies 5 ·
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5

Undergrad Solenoid Problem: Does Cross-Sectional Area of Copper Wire Matter?

  • Degel
  • · Replies 12 ·
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12

Graduate A couple of questions about magnetism

  • JRPB
  • · Replies 5 ·
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5

High School What was Nikola Tesla's Death Ray and how did it use microwaves?

  • Kalrag
  • · Replies 9 ·
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9

Graduate Impulse of electromagnetic field

  • Petar Mali
  • · Replies 3 ·
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3

Undergrad Trying to create a magnetic feild that is responsive to sound

  • Sciart418
  • · Replies 6 ·
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6

Undergrad Measuring Earth's magnetic field

  • hasan_researc
  • · Replies 8 ·
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8

Graduate Earths Magnetic Field and solar winds

  • nution
  • · Replies 3 ·
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3

Undergrad Interested in Understanding Limitations to 12V DC battery applications

  • Mattsnooze
  • · Replies 24 ·
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24

Graduate RL Circuit: Kirchoff's Law is Wrong - Faraday's Law is Correct

  • Wannabeagenius
  • · Replies 50 ·
2
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50

Undergrad Self Resonant Freq of Spiral Inductor

  • buzachaka
  • · Replies 4 ·
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4

Undergrad Why do these neodymium magnets seem to have 2 dipoles?

  • protonic_mass
  • · Replies 1 ·
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1

Undergrad What happens when you spin a powerful magnet at high speeds?

  • nution
  • · Replies 6 ·
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6

Undergrad Point charge inside solid sphere

  • leonidas24
  • · Replies 10 ·
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10

Undergrad Calculating Displacement of Electron in Electric & Magnetic Fields

  • jonlg_uk
  • · Replies 17 ·
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17

High School Can Stainless Steel Be Magnetic?

  • cragar
  • · Replies 31 ·
2
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31

High School Strong magnet and was standing in metal shoes

  • Slimjimjohnso
  • · Replies 7 ·
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7

High School Make an Electro Magnet for Your Project

  • dominick007
  • · Replies 1 ·
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1

High School Magnetic Flux with iron filings

  • andy232005
  • · Replies 2 ·
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2

Graduate E&M : Simulate/Calculate B field due to J

  • Hepth
  • · Replies 6 ·
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6

Undergrad Electric field inside a hollow conductive sphere

  • TonyZ
  • · Replies 4 ·
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4

High School Existence of electromagnetic field

  • elmarsur
  • · Replies 6 ·
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6

Undergrad Understanding the Direction of Lorentz Force: Equation vs. Rules

  • Ferruccio
  • · Replies 6 ·
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6

Graduate Resonant frequency of an annular ring? Hookes Law?

  • antsknee
  • · Replies 2 ·
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2

Graduate Understanding of Maxwell's Stress Tensor

  • vwishndaetr
  • · Replies 3 ·
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3

Undergrad What is an isolated system and its role in charge conservation?

  • johncena
  • · Replies 3 ·
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3

Undergrad How can a basic particle have a charge?

  • snackster17
  • · Replies 9 ·
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9

Graduate Tensor of electromagnetic field

  • Petar Mali
  • · Replies 3 ·
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3

High School What does it mean when a circuit has two voltages?

  • magisbladius
  • · Replies 5 ·
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5

High School Oersted: how can you be sure it is not an electric field?

  • damosuz
  • · Replies 6 ·
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6

Undergrad Why don't light waves move magnets?

  • DrBootenstein
  • · Replies 1 ·
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1

Undergrad Help me to understand Coulomb's law.

  • sphyics
  • · Replies 6 ·
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6

Undergrad Absence of m.field around an AC current carrying wire

  • waqarrashid33
  • · Replies 1 ·
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1

Undergrad Calculating Magnetic field dimensions

  • dwaring28720
  • · Replies 3 ·
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3

High School How Does Magnet Pull Force Influence Weight Lifting and Coil Rotation?

  • Rusty69
  • · Replies 1 ·
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1

Graduate Calculating Frequency Values for a G String on a Standard Tuned Guitar

  • deadstar33
  • · Replies 3 ·
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3

Undergrad Is the potential inside a charged hollow conductor zero?

  • johne1618
  • · Replies 3 ·
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3

High School Voltage & Current: Understanding Garden Hose Pressure & Flow

  • Kanse
  • · Replies 23 ·
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23

Undergrad Understanding Generators: How to Predict Performance Before Building

  • Rusty69
  • · Replies 2 ·
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2

High School What is the CGS of current and voltage.

  • sphyics
  • · Replies 1 ·
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1

Graduate Question about conductivity/reflexion

  • fluidistic
  • · Replies 5 ·
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5

Undergrad Need a website that explains general physics 2 (electricity and magnetism)

  • yaganon
  • · Replies 1 ·
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1

Graduate Electric double layer near electrode and electric field between electrode

  • wonderus
  • · Replies 2 ·
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2

Undergrad Solar bike project, electrical questions

  • antipositron
  • · Replies 1 ·
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1

Undergrad ELECTRIC field due to a solenoid, or a current-carrying wire, or

  • AxiomOfChoice
  • · Replies 3 ·
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3

High School Question pertaining to magnets

  • Dragonite
  • · Replies 3 ·
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3

High School Discover the Duration of Magnetic Field Appearance with an Electromagnet

  • Caelus
  • · Replies 10 ·
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10

High School What makes a permanent magnet a permanent magnet?

  • NaTh2007
  • · Replies 3 ·
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3

High School Why is a bulb lit as soon as a torch is switched on?

  • koat
  • · Replies 5 ·
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5

High School Question about ordinary magnets. (Not homework)

  • makbar59
  • · Replies 2 ·
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2

Undergrad A few questions about the electromagnetic spectrum

  • itsthemac
  • · Replies 8 ·
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8

Graduate Resonate frequency at the quantum level?

  • Cadeyrn
  • · Replies 18 ·
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18

Undergrad Simple capacitor with two plates

  • Garoll
  • · Replies 1 ·
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1

Graduate Resistance of Fractals: Sierpinski Triangle

  • mersecske
  • · Replies 11 ·
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11

Undergrad Superposition and Electrostatic Force

  • AirForceOne
  • · Replies 2 ·
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2

Undergrad Voltage drop in an infinite wire

  • YaroslavVB
  • · Replies 9 ·
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9

Graduate Can someone explain Earnshaws Theory

  • jonlg_uk
  • · Replies 13 ·
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13

Undergrad Electric Field Problem: Motion of Charges Near Two Fixed Points

  • jason.rivera1
  • · Replies 3 ·
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3

Undergrad How do i generate nitrous oxide from a electrical arc?

  • nuclear-boy
  • · Replies 2 ·
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2

High School Are Protons Magnetic? Answers to Your Questions

  • Kalrag
  • · Replies 12 ·
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12

Graduate How Is Distance Calculated in Free Fall with Air Resistance?

  • bigjuicy
  • · Replies 1 ·
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1

Graduate Solving the Problem of Unwanted Mains Supply Field in a Faraday Box

  • arrektor
  • · Replies 2 ·
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2

Undergrad What do dot and cross product mean in electromagnetics?

  • hermtm2
  • · Replies 5 ·
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5

Undergrad Magnetic field lines What do they exactly mean?

  • mishrashubham
  • · Replies 22 ·
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22

Graduate Trying to find papers of Debye and Falckenhagen's Induction Effect.

  • Born2bwire
  • · Replies 2 ·
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2

Graduate What is the origin of the Milky Way's magnetic field?

  • alvarogz
  • · Replies 2 ·
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2

Undergrad AC circuits with complex numbers

  • Markel
  • · Replies 13 ·
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13

High School How to calculate the amount of electricity being produced.

  • JDLTX
  • · Replies 2 ·
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2

Graduate What is the influence of time dilation on bound electrons?

  • JDługosz
  • · Replies 8 ·
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8

Undergrad I've noticed that gears play the major part in supplying energy

  • litotes
  • · Replies 3 ·
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3

Undergrad Calculate electric force between unlike atoms of a molecule?

  • HMS-776
  • · Replies 1 ·
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1

Undergrad How do you put a uniform charge on an insulator?

  • johne1618
  • · Replies 3 ·
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3

High School Can Static Attraction and Magnetic Attraction Coexist?

  • Great-dane
  • · Replies 5 ·
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5

Graduate How Does the Shape of a Conductor Affect Electrostatic Behavior?

  • ghery
  • · Replies 2 ·
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2

Undergrad High voltage electric field does not stop electric motor

  • scientist1234
  • · Replies 4 ·
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4

Undergrad Help with gauss, Sheet vs conducting surface

  • Markel
  • · Replies 18 ·
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18

Undergrad Help me understand electromagnetism.

  • mrspeedybob
  • · Replies 3 ·
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3

High School Two types of electrical charge?

  • kindlychung
  • · Replies 7 ·
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7

High School How do we measure the wavelength of electromagnetic waves?

  • x+iy
  • · Replies 9 ·
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9