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Power relation to lightbulb wattage
Jan 29, 2018
Replies
19
Views
2K
Electric Potential vs Electric Potential Energy
Jan 29, 2018
Replies
4
Views
2K
Can I covert magnetic energy to electrical energy?
Jan 28, 2018
Replies
9
Views
1K
Two States of Polarization of EM Waves
Jan 28, 2018
Replies
2
Views
2K
Do electron absorb the entire photon energy?
Jan 28, 2018
Replies
1
Views
1K
Can cogging in permanent magnet motors be utilized for rotational movement?
Jan 27, 2018
Replies
12
Views
2K
Does the charge of a capacitor change during immersion?
Jan 27, 2018
Replies
3
Views
3K
Whether the voltage is actually a magnetic force?
Jan 27, 2018
Replies
18
Views
2K
How exactly does the electric force act?
Jan 25, 2018
Replies
10
Views
2K
Magnetic field lines directed?
Jan 24, 2018
Replies
4
Views
2K
Asymmetrically charged capacitor
Jan 24, 2018
Replies
18
Views
2K
Is it possible to create a magnetic field which can be seen?
Jan 24, 2018
Replies
8
Views
2K
Can a radio frequency be lowered by a passive circuit?
Jan 23, 2018
Replies
11
Views
1K
Difficulty with a Point Charge Particle in Electrodynamics
Jan 22, 2018
Replies
7
Views
3K
Electrostatic Boundary Conditions
Jan 22, 2018
Replies
7
Views
2K
Uniform Electrical potential energy
Jan 21, 2018
Replies
4
Views
2K
Can there be an electric field inside an insulator?
Jan 21, 2018
Replies
4
Views
7K
Capacitors & AC: Changing Phase Difference
Jan 21, 2018
Replies
2
Views
1K
Can Plastic Exhibit Magnetism Under Certain Conditions?”
Jan 21, 2018
Replies
6
Views
2K
Confusion regarding Electric Potential Energy and Work
Jan 20, 2018
Replies
1
Views
2K
How can each Coulomb of charge transfer energy
Jan 20, 2018
Replies
18
Views
2K
Why do charged capacitors prevent current flow?
Jan 17, 2018
Replies
19
Views
2K
Non symmetric case of Ampere's law
Jan 17, 2018
Replies
17
Views
3K
Generalized Ohm's Law: Current Density & Capacitance
Jan 17, 2018
Replies
1
Views
2K
Electromagnetics wireless transmission of Energy
Jan 16, 2018
Replies
6
Views
1K
Is Ampere's Law Affected by External Currents?
Jan 15, 2018
Replies
13
Views
3K
Stray field and demagnetizing field
Jan 15, 2018
Replies
6
Views
6K
Is Mu-Metal the Solution for High Permeability Applications?
Jan 15, 2018
Replies
45
Views
4K
Electric field at the surface of a spherical shell?
Jan 15, 2018
Replies
7
Views
1K
Calculating the resonant frequency of a gas cylinder
Jan 14, 2018
Replies
2
Views
2K
Coulomb's law, electrostatics?
Jan 14, 2018
Replies
42
Views
4K
Satellites and the Earth's Magnetic Field
Jan 14, 2018
Replies
7
Views
2K
Which creates an electric field -- charge or a charged particle?
Jan 13, 2018
Replies
4
Views
1K
Conservation of electrical energy on a conductor
Jan 12, 2018
Replies
12
Views
2K
Electric Field Lines: Midpoint Between 2 Charges
Jan 12, 2018
Replies
23
Views
3K
The difference between electric field and electrical charge
Jan 12, 2018
Replies
5
Views
2K
Does the superposition of electric fields not hold for moving charges?
Jan 11, 2018
Replies
7
Views
2K
What type of energy does electrical current have?
Jan 10, 2018
Replies
26
Views
4K
Is a Universe with Just One Point Charge Physically Meaningful?
Jan 10, 2018
Replies
10
Views
1K
How does electrical current have energy?
Jan 10, 2018
Replies
1
Views
1K
Attempt to find the magnetic field of a moving charge
Jan 8, 2018
Replies
7
Views
1K
Magnetic field of a moving charge and coulombs force
Jan 8, 2018
Replies
8
Views
1K
What happens to the energy in an inductor or capacitor when opened?
Jan 8, 2018
Replies
4
Views
2K
Why center of mass? Why not center of charge?
Jan 8, 2018
Replies
22
Views
2K
Electric field in a capacitor with multiple dielectrics
Jan 7, 2018
Replies
2
Views
4K
Holding down steel plate w/ multiple magnets: Does orientati
Jan 6, 2018
Replies
2
Views
1K
Macroscopic Maxwell's equations and speed of light in media
Jan 6, 2018
Replies
6
Views
2K
Direction of reflected E field on a dielectric surface?
Jan 5, 2018
Replies
2
Views
2K
Inertial Current: Electron Movement & Current Generation
Jan 4, 2018
Replies
1
Views
1K
Can an axisymmetric electric field be created without charges?
Jan 3, 2018
Replies
6
Views
2K
Question on classical electron radius
Jan 2, 2018
Replies
3
Views
2K
What is light exactly? Electromagnetic wave or photons?
Jan 1, 2018
Replies
25
Views
4K
Thermal Resistance to Centerline
Dec 30, 2017
Replies
2
Views
1K
Electromagnet and a current carrying wire
Dec 28, 2017
Replies
4
Views
2K
What would cause a magnetic field in this case?
Dec 27, 2017
Replies
3
Views
1K
How Can Static Electricity Be Controlled in Textile Spinning Machines?
Dec 27, 2017
Replies
8
Views
2K
Why we say that electrical energy is power over time p x t
Dec 27, 2017
Replies
8
Views
2K
If r=0 then will the electric charge of two points=infinity?
Dec 27, 2017
Replies
4
Views
4K
Can We Create an Electric Field Blocking Material Like Mu-Metal?
Dec 26, 2017
Replies
3
Views
1K
How charges can flow in circuit wires at the same potential
Dec 25, 2017
Replies
27
Views
5K
Does electron gas in metals experience viscosity?
Dec 24, 2017
Replies
1
Views
1K
Does a rotating conductor generate a voltage change
Dec 24, 2017
Replies
1
Views
1K
How to predict the movement of a magnet in a magnetic field?
Dec 24, 2017
Replies
3
Views
2K
Can the Lorentz Force be understood non-relativistically?
Dec 23, 2017
Replies
2
Views
1K
Can charged baryons flow induce magnetic field?
Dec 22, 2017
Replies
5
Views
1K
Susceptibility of Ferromagnetic materials
Dec 22, 2017
Replies
9
Views
3K
The circuit of the induction coil
Dec 21, 2017
Replies
5
Views
2K
Non linear field of a long bar magnet
Dec 20, 2017
Replies
2
Views
1K
Magnetic Levitation for Fragrance Dispenser | Product Design
Dec 19, 2017
Replies
9
Views
2K
Why doesn't a magnetically levitating conductor oscillate?
Dec 19, 2017
Replies
17
Views
3K
Confusion about the electric potential
Dec 19, 2017
Replies
2
Views
985
How to test toroidal permanent magnet with inside field
Dec 18, 2017
Replies
14
Views
2K
Eye's response to electromagnetic (light) waves?
Dec 18, 2017
Replies
3
Views
1K
Voltage Equality: How to Determine Between Two Points with Resistances Given
Dec 18, 2017
Replies
6
Views
1K
Maxwell’s Equations Wave Solutions
Dec 16, 2017
Replies
28
Views
5K
Electric field lines of a sphere in a uniform electric field
Dec 16, 2017
Replies
10
Views
5K
Calculating how to make a homemade capacitor
Dec 15, 2017
Replies
12
Views
3K
Need help with a thought experiment about a Faraday generator
Dec 14, 2017
Replies
1
Views
2K
Natural Frequency of a Foam Block?
Dec 14, 2017
Replies
5
Views
3K
Why Does Wire Orientation Affect the Motor Effect in Electromagnets?
Dec 13, 2017
Replies
5
Views
2K
Copper Magnetism: Interaction & Strength Requirements
Dec 13, 2017
Replies
18
Views
4K
Magnetic Levitation (electromagnets?) for an 11th grader
Dec 12, 2017
Replies
3
Views
2K
Magnetic field and Poynting Flux in an Inductor
Dec 11, 2017
Replies
6
Views
3K
About acoustics physics -- The Wave Equation and diminishing sound intensity
Dec 10, 2017
Replies
1
Views
2K
Does a Wire in an AC Circuit Have a Surface Charge Distribution?
Dec 10, 2017
Replies
4
Views
2K
Why is it obvious that this Lagrangian is Lorentz invariant?
Dec 9, 2017
Replies
1
Views
2K
Current Density between two infinite plates
Dec 9, 2017
Replies
7
Views
2K
Thermal radiation and charged particle acceleration
Dec 7, 2017
Replies
3
Views
1K
Gauss' Law for electromagnetic radiation?
Dec 4, 2017
Replies
7
Views
3K
Stray/Parasitic Capacitance - Impacts phase velocity?
Dec 4, 2017
Replies
10
Views
3K
Magnetic Lines of Dipole and Circular Current wire
Dec 4, 2017
Replies
1
Views
1K
Need references for magnetic force vs distance/angle topic
Dec 2, 2017
Replies
2
Views
2K
Mechanism of discharge in DBD? (dieletric barrier discharge)
Dec 2, 2017
Replies
10
Views
2K
Derivation: Maxwell's equation only from the Lorenz gauge
Dec 2, 2017
Replies
3
Views
2K
EM wave generation using a single charge in a vaccum?
Nov 30, 2017
Replies
4
Views
3K
How To calculate the Power required for a Superconducting Magnet
Nov 30, 2017
Replies
29
Views
5K
Why is the electric field in an ideal wire zero?
Nov 30, 2017
Replies
19
Views
5K
What is the electrostatic force field?
Nov 29, 2017
Replies
16
Views
3K
Macroscopic magnetic monopoles are possible?
Nov 29, 2017
Replies
16
Views
2K
Linear polarizers: angle between the electric & magnetic fields
Nov 27, 2017
Replies
25
Views
3K
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