Electromagnetism Forum

Post thread
Homemade electromagnet, considerations - strength
Replies
6
Views
2K
Positive/negative electron transfer?
Replies
2
Views
1K
Electric Field induced by a Magnetic Field inside a Solenoid
Replies
2
Views
5K
Are flux vortices predictable?
Replies
2
Views
1K
Elementary Charge: Explaining the Integer Multiple of e
Replies
13
Views
5K
Voltage Variation in a Series Circuit
Replies
9
Views
1K
The Relationship between Magnets and Magnetic Forces
Replies
12
Views
3K
Weber induction force and EMF
Replies
2
Views
1K
Is force, which we show, right on test charge
Replies
6
Views
3K
Why no induced current when these coils are stationary?
Replies
2
Views
1K
Magnet's force on a metal ball
Replies
1
Views
3K
Permittivity in Gauss' law and Ampere's law
Replies
2
Views
2K
Determining the direction of electric field lines
Replies
5
Views
4K
When was it proven that light is an electromagnetic wave?
Replies
2
Views
2K
Electric field experienced by a uniformly charged spherical shell due to itself
Replies
8
Views
2K
How does the transfer of electric forces between two objects work
Replies
3
Views
3K
Does magnetic energy storage with iron cores result in greater energy recovery?
Replies
9
Views
2K
Confusion about two modes of coupled oscillators having same frequency
Replies
2
Views
1K
How does a magnet's magnetic field work?
Replies
2
Views
1K
Energy in a Magnetic Field (SMES Core Question)
Replies
18
Views
3K
Building a Hydroelectric Dam Project for Grade 7 Students
Replies
2
Views
7K
Using Gauss's Law to Calculate Electric Field of a Charged Thread
Replies
5
Views
2K
Only one pole in a horseshoe magnet
Replies
4
Views
2K
Creating a 2-D Electrostatic Field
Replies
4
Views
977
Voltage across a Capacitor More than the Source Voltage?
Replies
9
Views
5K
Lorentz force and linear motors
Replies
1
Views
1K
Are 2 bar magnets stuck together, twice as strong?
Replies
8
Views
2K
Plasma ball electric shock mystery
Replies
5
Views
4K
Potential near the center of a charged hollow sphere
Replies
2
Views
1K
Dielectric Constant: Does Positive Matter?
Replies
1
Views
1K
Electric field due to current carrying conductor
Replies
2
Views
3K
Acoustic electron trap question
Replies
17
Views
2K
Apparent ambiguity in the E field direction in Faraday's Law
Replies
16
Views
2K
Why do more magnets affect how long a homopolar motor spins?
Replies
6
Views
4K
Why the voltage on the primary coil changes in an induction stoveplate?
Replies
7
Views
2K
Electric field on Gaussian surface due to external charge
Replies
8
Views
5K
Converting Electromagnetic Units: Gaussian to Superfluous Systems
Replies
2
Views
2K
Gauss’ law and Enclosed Charges
Replies
7
Views
3K
Direction of induced electric field?
Replies
12
Views
2K
I have a problem with Maxwell's demon
Replies
8
Views
2K
What is "magnetic or polarizable media"?
Replies
2
Views
966
Are charged batteries heavier?
2
Replies
51
Views
14K
Ions passing through a parallel plate capacitor with a varying voltage
Replies
8
Views
3K
Understanding Free Electrons: Movement and Interaction with Nonconductors
Replies
6
Views
1K
Magnetic field strength at a distance
Replies
14
Views
4K
Electrodynamics: questions about vector and scalar potentials....
Replies
1
Views
2K
Radiation from an infinite current sheet
Replies
9
Views
3K
Electric field inside a conductor
Replies
13
Views
3K
Electric potential and voltage in a circuit
Replies
6
Views
1K
Derivation of magnetic field of a Solenoid: Biot savart law
Replies
3
Views
8K
What is the Significance of the Electric field in a closed circuit
Replies
5
Views
2K
Measuring the Force Required to Separate Two Magnets at a Distance
Replies
5
Views
2K
How does charge behave in a moving object?
Replies
9
Views
1K
EM waves in phase and E/B = c question
Replies
4
Views
3K
What charges generate EM waves in free space?
Replies
7
Views
2K
Energy of a Capacitor: Basics & Explanation
Replies
22
Views
3K
Question regarding Hardness and Wear Resistance
Replies
15
Views
2K
Disconnected vs Connected parallel plate capacitor
Replies
1
Views
2K
Flux in a Uniform Magnetic Field
Replies
4
Views
2K
Force between parallel plates of set voltage
Replies
3
Views
2K
Confusion about the Energy Density of EM waves
Replies
4
Views
2K
Do rare earth magnets interfere with RF?
Replies
7
Views
3K
Why isn't a capacitor an open circuit?
Replies
7
Views
4K
What is electricity made out of?
Replies
43
Views
5K
Is Gauss' Law for Magnetism Proven by Magnetic Field Lines?
Replies
11
Views
3K
Apparent disagreement between Coulomb's Law and Gauss' Law
Replies
4
Views
2K
Calculate magnetic potential of a given current density
Replies
3
Views
1K
When Electric Field is 0 is potential also 0?
Replies
3
Views
5K
Strange charging voltage behavior in a resistor-capacitor circuit
Replies
2
Views
1K
Understanding the Relationship between Electric Field Line Distance and Strength
Replies
8
Views
2K
Who contributed to Maxwell's Equations and how?
Replies
1
Views
1K
What should be the electric field intensity inside a sphere
Replies
4
Views
2K
Magnetic force on a current carrying wire
Replies
15
Views
3K
Question about Electrical Energy
Replies
3
Views
1K
Polarization-Magnetization Tensor
Replies
4
Views
3K
Flux with a non-uniform electric field
Replies
2
Views
5K
Are the electrons in an electron microscope coherent?
Replies
18
Views
2K
Is Plate Capacitor Gap a "Non-linear" Medium?
Replies
8
Views
1K
Magnetic field of circular loops and solenoid
Replies
4
Views
2K
Electric Flux in a Closed Space: Volume, Area & Benefits
Replies
1
Views
1K
Movement by electrical induction
Replies
3
Views
1K
Hall Effect in an alternating current circuit
Replies
1
Views
2K
Mutual inductance and magnetic feild
Replies
2
Views
2K
Applied Acoustics - decouple a speaker and a wooden table
Replies
14
Views
2K
Can we see electrons in atoms?
Replies
3
Views
2K
Discharge in a DC RC circuit and Kirchhoff's Loop Rule
Replies
9
Views
4K
The difference between angular frequency and frequency?
Replies
18
Views
17K
How an electric field is absorbed by a dielectric
Replies
8
Views
2K
SR and Magnetism: A Conceptual Understanding
Replies
14
Views
2K
Piezoelectric effect -- How long does a stressed crystal produce a DC voltage?
Replies
13
Views
4K
What force holds together like charges in a capacitor, or a battery
Replies
2
Views
2K
Why does an iron core increase magnetism?
Replies
5
Views
2K
Why Does Current Produce a Magnetic Field But Not Vice Versa?
Replies
2
Views
1K
Regenerating electricity on an e-bike
Replies
15
Views
2K
What is the relationship between voltage and charge in a battery?
Replies
8
Views
2K
Force acting on superparamagnetic particle
Replies
10
Views
3K
Finding Magnetic Moment from Pull Force
Replies
1
Views
2K
Is the photoelectric effect in a photocell reversible?
Replies
4
Views
2K
Growing Oxide Layers in electrostatic fields
Replies
3
Views
1K
Which Non-Magnetic Material is Best for a Magnet Case?
Replies
7
Views
2K

Hot Threads

Hot Threads

Recent Insights

Back
Top