Electromagnetism Forum

High School How is a voltage drop across a resistor caused?

Undergrad Calculating electric fields through integration

Graduate Steady current of orbiting electron

High School Electric Constant: Explaining the Equation

Undergrad Why can three phases safely join at the neutral wire without shorting?

Graduate Loop around an infinite solenoid?

Graduate A demonstration of inductive reactance

Undergrad Capacitors in Series: Voltage, Capacitance & Charge

High School Difference between Fleming's left and right hand rules

High School Why is electric current opposite to electron flow?

Graduate Expansion of a point-charge potential

Undergrad Photovoltaic cell - relationship between wavelength and intensity of Light

Undergrad Capacitor Charging: Is There Something Wrong with the Analysis?

Graduate Why do ferrofluids move towards regions with higher magnetic field gradients?

Graduate The way Lenz force can accelerate a magnet

Undergrad How much will the speed of a magnet be reduced when it is passed trough a coil?

Undergrad How far do electrons travel in a 120 volt circuit?

Undergrad How Does Smearing Charge dQ Uniformly on a Sphere Maintain Constant Energy?

Undergrad Shape of electromagnetic waves?

High School Stop Electricity? Can a Magnetic Field Stop Electrons?

Undergrad Magnetic Field: Are Lines an Illusion?

Graduate Taking Electrodynamics this semester

Graduate What factors influence electron flow in a rotating magnet setup?

Undergrad Why does mass affect acceleration but charge doesn't?

Graduate High energy free electron and low energy photon collision

High School Electric Shock During Sleep: Is It Possible to Be Zapped by Your Own Body?

Undergrad Temperature due to resistance calculator?

Graduate Electric Field from Charge Densities: Gauss's Law

Undergrad 'i' due to resistances in parallel

Undergrad Energy in inductor and capacitor

Undergrad Equilibrium of an electric dipole

Undergrad Quick induction coil question

Undergrad Maximum voltage on a unipolar capacitor

Graduate Magnetostatic field: solution to Poisson's equation and Boundary Conditions

Undergrad Point charge(Q) has a divergence zero

Graduate Why Can't Classical Theory Explain Electron Affinity?

High School Can Humans Cause Radio Interference?

High School How to study EM wave interactions via internet?

Undergrad Building a Solar-Powered Stirling Engine

Graduate Gauss' Law: Charge Density in Cylinders

Undergrad Magnetism question regarding solenoids and shapes of their cores

Graduate Calculation the resistance of a spherical shape

High School Is the positive terminal of a battery positively charged

High School Can a Bicycle Convert Kinetic Energy to Electricity?

Undergrad Photoelectric effect and maximum kinetic energy

Graduate Experimental evidence against Gauss' law

Graduate Why Does a Constant EMF Result in Zero EMF in a Steady State Circuit?

High School Existance of three poles of magnet

Undergrad Magnet with negative charge in gaussian surface?

Undergrad How Does Maxwell's Theory Relate to Newton's Classical Mechanics?

Undergrad Low Pressure and high voltage in cathode rays experiment

Undergrad Can Charge Flow in an Open Circuit?

Graduate Why is there no magnetic field in a perfect conductor

Undergrad Equation for the energy of an acoustic wave?

Undergrad The electricity shortfall has reached 3,000 MW

Graduate How Does a Moving Magnet Induce Voltage in a Rectangular Coil?

Graduate Is the Lorentz Magnetic Force Derived from Magnetic Moment of Charged Particles?

High School Magnet On/Off: Is It Possible?

High School Earth as a giant sphere of electric charge

Graduate Calculating magnetic field strength (complex)

Graduate Dielectric surface in the field of an oscillating dipole

Undergrad Why does differential Gauss's law divide field by a constant?

Undergrad Frequency Specturm and fourier transform

Undergrad Magnetic Flywheel: Can It Achieve Higher Rpm?

Graduate The Mean Free Path and the Magnetic Field

Graduate Magnetostatics - boundary condition

Undergrad Frequency & Wavelenght of EM wave

Undergrad Can You Get Shocked with Flow of Electrons?

Undergrad How do you calculate magnetic field stregth outside a solenoid?

Undergrad Magnetic Force Paradox: How Does Einstein's Theory of Relativity Solve It?

Undergrad Is Context Important in Understanding Stored Charge on a Capacitor?

Undergrad Work done in moving a unit positive charge in space by an external force

High School Electricity Basics: Understanding Electrons in a Wire

High School Antenna reception affected by person.

Undergrad LOW resonance PIEZO Electric drivers ?(do i have to make one?)

• Poll

High School Can Electrons Create an Invisible Wire?

High School Why certain things are easier to magnetize than others?

Graduate How much current can you draw from a resonant loop antenna

Graduate Faraday cage problem with RFiD

Undergrad Magnetic Field/Strength questions

Undergrad Questions about Electrons Flow in Batteries & AC Supply

Graduate How photon interact with electron ?

Undergrad Magnetic field strength - unit conversions

High School What's the strongest magnetic field safe for someone with a pacemaker ?

Undergrad Electric field of an infinitely large positively charged plane sheet

High School Tesla Coil Plasma: Can It Make Music?

High School Can Static Electricity Repel Objects?

High School Pressure inside a discharge tube

Graduate Maxwell equations with time-dependent boundary conditions

Graduate What is the significance of the charge density in Gauss's law?

Undergrad Spin Coil in EM System for DC Current?

Graduate Coupling coefficient and mutual inductance

Graduate Surface charges and surface current on conductors carrying steady currents

Graduate Does superposition always apply with magnetic fields?

High School Acoustic vs Electric Instruments

Undergrad What is the Earth's natural resonant frequency?

Undergrad Why is V(R) < 0 for discharging in RC circuit?

High School Zener Diode Regulator: Why Output Voltage Drops?

Graduate Narrow EM wave beam - how it propagates

Graduate Electric Dipole / Air Ionization