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Questions about the Suns magnetic field
Apr 6, 2017
Replies
10
Views
2K
[E&M] Sliding Conductor & Magnetic Field
Apr 6, 2017
Replies
1
Views
2K
The dielectric constant of water is 80, but refractive index
Apr 6, 2017
Replies
3
Views
2K
What is the Relationship Between Solenoids and Magnetic Bars?
Apr 6, 2017
Replies
1
Views
1K
Electricity, voltage, current, resistance relationship
Apr 5, 2017
Replies
23
Views
3K
Building speakers, induction and induced current
Apr 4, 2017
Replies
3
Views
2K
Electromagnetic induction in current loops
Apr 4, 2017
Replies
9
Views
2K
Electric field created by point charges and conducting plane
Apr 4, 2017
Replies
8
Views
3K
Conceptual Understanding for Voltage in a Circuit
Apr 4, 2017
2
Replies
62
Views
9K
Difference in formulas of magnetic force and magnetic flux
Apr 3, 2017
Replies
3
Views
1K
Is generating electricity from rain water efficient?
Apr 3, 2017
Replies
7
Views
2K
Can magnets on a cylindrical object be used for projectiles?
Mar 31, 2017
Replies
21
Views
3K
Is an induction coil used in a Gaussmeter?
Mar 31, 2017
Replies
1
Views
976
Salt concentration and its electrical resistance
Mar 31, 2017
Replies
3
Views
3K
Electric field strength inside a conductor
Mar 30, 2017
Replies
21
Views
3K
Can magnets be used to send a metal ball through a pipe?
Mar 30, 2017
Replies
17
Views
5K
Electromagnetic Coil 2 SS Rods Converging
Mar 30, 2017
Replies
1
Views
2K
Weber & Flux Density: Learn How 1 Wb = 10^8 Lines of Magnetic Flux
Mar 29, 2017
Replies
5
Views
2K
Why does the speed of the magnet matter in a coil?
Mar 29, 2017
Replies
6
Views
4K
Capacitor-Energy-Dielectric question
Mar 29, 2017
Replies
7
Views
1K
Would current flow in a vacuum like space
Mar 27, 2017
Replies
15
Views
2K
Effect of frequency and intensity on PE
Mar 27, 2017
Replies
6
Views
2K
Orthogonal Polarisation in EM waves and Interference
Mar 27, 2017
Replies
7
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3K
Thermal motion of an ionised gas molecule in an electric field
Mar 27, 2017
Replies
11
Views
2K
Why do EM waves of longer wavelengths spread out more?
Mar 26, 2017
Replies
8
Views
3K
Can an Electrostatic Fluid Accelerator inflate a balloon?
Mar 25, 2017
Replies
5
Views
2K
Calculate the temperature of a wire as an electrical current flows through it
Mar 25, 2017
Replies
1
Views
3K
Surface current density-logic and definition contradict
Mar 23, 2017
Replies
8
Views
5K
Necessary and sufficient condition for an electron to radiat
Mar 23, 2017
Replies
3
Views
1K
Gauss' gun/magnetic linear accelerator
Mar 22, 2017
Replies
1
Views
2K
Electromagnetism from solonid within magnetic field -- reasoning....
Mar 21, 2017
Replies
1
Views
1K
What is Electricity? Insights please....
Mar 21, 2017
Replies
11
Views
2K
How Do Electrolytes Conduct Charge Without Redox Reactions?
Mar 21, 2017
Replies
23
Views
2K
Magnetic fields and moving electrons
Mar 21, 2017
Replies
1
Views
1K
Why do wires attract each other when current flows in the same direction?
Mar 20, 2017
Replies
7
Views
2K
Capacitance between point charge and finite plate
Mar 20, 2017
Replies
4
Views
4K
Understanding the Electric Field Equation in Electromagnetism
Mar 19, 2017
Replies
4
Views
1K
Air Resistance & Upward Velocity: Examining the Relationship
Mar 19, 2017
Replies
4
Views
2K
Extended Faraday Disk: How is Energy Conserved?
Mar 18, 2017
Replies
7
Views
2K
Acoustics & Physics: Is Frequency Linked to Wave Width?
Mar 18, 2017
Replies
4
Views
2K
Magnet clamp repelling in coil
Mar 17, 2017
Replies
7
Views
2K
Voltage across two different circuits
Mar 17, 2017
Replies
28
Views
4K
Difference between vibrational, rotational and electron temperature
Mar 17, 2017
Replies
2
Views
3K
Does a rotating magnetic field possess angular momentum?
Mar 17, 2017
Replies
11
Views
3K
Amount of excess charge to overcome Earth's gravity
Mar 16, 2017
Replies
12
Views
2K
Confusion about the magnetic field
Mar 16, 2017
Replies
5
Views
2K
Paradoxes of the Coulomb friction
Mar 16, 2017
Replies
9
Views
2K
Finding wavelength and fundamental frequency with string
Mar 15, 2017
Replies
2
Views
2K
Could Electromagnetic Levitation Create a Feasible Hoverboard Solution?
Mar 15, 2017
Replies
9
Views
3K
Charging a capacitor through a resistor -- final voltage?
Mar 15, 2017
Replies
26
Views
3K
Faraday Cage and a high voltage discharge arc
Mar 14, 2017
Replies
6
Views
2K
Dielectric Charges: Explaining Why They Don't Attract
Mar 14, 2017
Replies
4
Views
1K
How do I apply Maxwell's equations?
Mar 14, 2017
Replies
4
Views
2K
Does Frequency Change in a Medium?
Mar 13, 2017
Replies
4
Views
2K
Dielectric Constant & Electric Field: How It Works
Mar 13, 2017
Replies
1
Views
2K
Comparing inductance and capacitance: Analogy to charge
Mar 12, 2017
Replies
2
Views
2K
How to manipulate Ohmic conductors
Mar 12, 2017
Replies
2
Views
1K
Is this possible? Magnetic tires
Mar 12, 2017
Replies
15
Views
5K
Flux of high charge positive ions, how?
Mar 12, 2017
Replies
4
Views
1K
Understanding Electromagnetic Waves
Mar 12, 2017
Replies
2
Views
1K
Does the first maxwell equation apply only....
Mar 11, 2017
Replies
3
Views
1K
Calculating the magnetic field strenght at x distance
Mar 11, 2017
Replies
2
Views
2K
How does an magnetic domain align?
Mar 11, 2017
Replies
1
Views
3K
Why do two like currents attract (frame of reference)?
Mar 11, 2017
Replies
8
Views
3K
Find magnetic field from temporary magnet
Mar 11, 2017
Replies
3
Views
1K
Calculating Magnetic Field from FFT Amplitude
Mar 10, 2017
Replies
1
Views
2K
Why Can a Positive or Negative Charge Attract a Neutral Object?
Mar 9, 2017
Replies
2
Views
1K
Force from "like charges" with and without movement
Mar 7, 2017
Replies
8
Views
2K
Acoustic Absorption Calculation: Ultrasonic Sound in Water
Mar 7, 2017
Replies
3
Views
2K
Autotransformer: Why does primary current go through coil?
Mar 7, 2017
Replies
6
Views
2K
Electric Potential vs Electric Field?
Mar 7, 2017
Replies
3
Views
2K
Can electrons move faster than Light?
Mar 7, 2017
Replies
4
Views
2K
Why does induction in a loop depend on the contained flux?
Mar 7, 2017
Replies
7
Views
1K
Making Electromagnetic Waves: Accelerated Charges Explained
Mar 6, 2017
Replies
5
Views
2K
Can a time-varying magnetic field pass a metal sheet?
Mar 6, 2017
Replies
2
Views
2K
How Is the Red Part of Stratton's Equation Derived from Light Pressure?
Mar 6, 2017
Replies
5
Views
2K
Help Solve Voltage Homework Questions for Engineering Student
Mar 5, 2017
Replies
8
Views
3K
Rise in Voltage across a battery
Mar 5, 2017
Replies
3
Views
2K
Why Does Zero Divergence of Current Density Imply Zero Charge Density?
Mar 4, 2017
Replies
8
Views
5K
What is magnetic force generated by planar spiral coil?
Mar 2, 2017
Replies
3
Views
3K
Is energy needed to maintain an electromagnetic field?
Mar 1, 2017
Replies
7
Views
1K
Can a capacitor increase voltage beyond initial charge?
Mar 1, 2017
Replies
3
Views
2K
Question about capacitance matrix
Mar 1, 2017
Replies
13
Views
3K
Can EMF be the same as the current (const)?
Feb 28, 2017
Replies
4
Views
1K
Bending power - magnet units question
Feb 27, 2017
Replies
2
Views
5K
The Mystery of German Concrete-Penetrating Artillery
Feb 25, 2017
Replies
3
Views
1K
Master Electromagnetism on the GRE with Problem 55 Explained
Feb 25, 2017
Replies
1
Views
1K
Is Ferromagnetism the Key to Understanding Lenz' Law and Magnetic Flux Effects?
Feb 25, 2017
Replies
15
Views
3K
New Explanation to How Newton's Third Law is Satisfied in Magnetism
Feb 25, 2017
Replies
3
Views
4K
Elementary question on Electric flux units
Feb 25, 2017
Replies
8
Views
3K
Why an electron at rest cannot emit a photon?
Feb 24, 2017
Replies
5
Views
2K
Does the magnetic field produced by a magnet act on itself?
Feb 24, 2017
Replies
4
Views
1K
Why's Potential Difference Different in Series Capacitors?
Feb 23, 2017
Replies
3
Views
1K
Electromagnetic Field in Empty Space
Feb 23, 2017
Replies
10
Views
3K
Magnetic forces within a closed ferrous core
Feb 22, 2017
Replies
1
Views
1K
Difference Electric Field Strength Point Charges vs. Plates
Feb 22, 2017
Replies
3
Views
2K
Do photons carry magnetic force?
Feb 22, 2017
Replies
7
Views
3K
Why electric field between two plates ##\frac {σ} {ε_0}## ?
Feb 21, 2017
Replies
8
Views
1K
Photoelectric effect and zero time delay
Feb 21, 2017
Replies
4
Views
4K
Transformer equation: Using Faraday's law "the wrong way"?
Feb 21, 2017
Replies
10
Views
2K
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