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Help with the trajectory of a particle in a magnetic field
Mar 3, 2020
Replies
23
Views
2K
When is the flux through a coil from a bar magnet zero?
Mar 3, 2020
Replies
1
Views
1K
B field between the plates of a charging capacitor (Ampere's law)
Mar 2, 2020
Replies
2
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2K
Arbitrariness of the surface involved in the displacement current
Mar 1, 2020
Replies
2
Views
1K
What is the continuity condition for the heat flux through a boundary?
Mar 1, 2020
Replies
1
Views
2K
Work Done, by what on what? [electrical/mechanical]
Feb 29, 2020
Replies
14
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2K
Arriving at the differential forms of Maxwell's equations
Feb 27, 2020
Replies
3
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1K
Confusion about the independent variable of function in magnetostaics.
Feb 22, 2020
Replies
26
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2K
EM Wave - basic question on energy conservation in a wave
Feb 19, 2020
Replies
4
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2K
What Happens to a Charged Sphere During Field Evaporation?
Feb 17, 2020
Replies
1
Views
1K
Boundary conditions for a purely inductive load in an AC circuit
Feb 14, 2020
Replies
30
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2K
Why do we even need the term 'conventional current'?
Feb 14, 2020
Replies
5
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2K
When is the propagation of an EM wave not reversible?
Feb 13, 2020
Replies
10
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2K
Projects for Classic Charge Distributions
Feb 11, 2020
Replies
3
Views
1K
Voltage Lab Conductive Paper Questions
Feb 10, 2020
Replies
17
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3K
Photoelectric Effect questions to help my understanding
Feb 10, 2020
Replies
3
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2K
Inducing electric current in a wire (a comparison)
Feb 9, 2020
Replies
29
Views
2K
Propagation speed of Coulomb fields
Feb 8, 2020
Replies
29
Views
3K
Electric field Difference between Electrostatics and Electrodynamics
Feb 8, 2020
Replies
2
Views
3K
Magnetic field lines and magnetic flux density
Feb 8, 2020
Replies
35
Views
4K
Putting internal resistance in series with a voltage source
Feb 8, 2020
Replies
10
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2K
Electrodynamic tether on the Moon/Mars?
Feb 8, 2020
Replies
8
Views
2K
Does the resistance of a material vary when introduced into water?
Feb 7, 2020
Replies
9
Views
1K
The EMF induced in straight current-carrying conductor
Feb 5, 2020
Replies
10
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4K
Why does a change of magnetic flux induce an EMF?
Feb 5, 2020
Replies
7
Views
3K
Why dielectrics get polarized instead of directly ionized?
Feb 2, 2020
Replies
13
Views
2K
Resources on non-spherical conductor surface charges
Feb 2, 2020
Replies
3
Views
1K
What Causes Attraction and Repulsion in Physics?
Feb 1, 2020
Replies
4
Views
2K
A doubt on Electrostatics -- An electrified rod attracting light objects
Feb 1, 2020
Replies
1
Views
1K
The difficulty of learning Electromagnetism vs Classical Mechanics
Jan 31, 2020
Replies
1
Views
4K
Electron path in the presence of a dielectric
Jan 25, 2020
Replies
15
Views
2K
Accelerometer with a Charge: Measuring Acceleration?
Jan 23, 2020
Replies
13
Views
1K
Doubt about the 1st Law of Maxwell
Jan 18, 2020
Replies
16
Views
1K
Why in an RL circuit does the voltage anticipate the current?
Jan 17, 2020
Replies
16
Views
2K
Understanding the concept of voltage
Jan 15, 2020
Replies
7
Views
1K
Wheatstone Bridge: Substitution Resistance Formula Derivation?
Jan 15, 2020
Replies
4
Views
2K
Solving Electromagnetism problems in 3 dimensions
Jan 12, 2020
Replies
3
Views
826
Electromagnet that can generate 100 lbs at small size
Jan 12, 2020
Replies
13
Views
3K
Still water droplet evaporation rate (help using Maxwell's formula please)
Jan 9, 2020
Replies
3
Views
2K
Understanding Voltage: How Potentials Differ & Flow
Jan 6, 2020
Replies
10
Views
2K
Oscillation frequency of 2D circular drop in an ambient environment
Jan 4, 2020
Replies
3
Views
1K
Changing the k constant in voltage potential equation?
Jan 4, 2020
Replies
2
Views
1K
Charging a magnetically levitating sphere to 1 gigavolt in a high vacuum
Jan 2, 2020
Replies
4
Views
1K
Electron gun in a vacuum -- How hard of a vacuum is needed?
Dec 31, 2019
Replies
11
Views
4K
A proof that magnetic forces do no work?
Dec 24, 2019
Replies
36
Views
4K
Understanding Gauss's Law in Cylindrical Shells of Non-Infinite Length
Dec 20, 2019
Replies
3
Views
1K
Thermodynamics of electromagnetic radiation?
Dec 20, 2019
Replies
2
Views
2K
Mach's principle for electric fields
Dec 20, 2019
Replies
1
Views
2K
Charged metal ball wrapped in rubber or other insulator
Dec 18, 2019
Replies
8
Views
1K
Electrical potential of a thin wire in an E field
Dec 18, 2019
Replies
11
Views
1K
What Can ARPES Reveal About Many-Body Effects in High-Tc Cuprates?
Dec 17, 2019
Replies
3
Views
5K
Classical Electromagnetism: An intermediate level course
Dec 17, 2019
Replies
1
Views
8K
Modeling a ball thrown vertically including drag from air resistance
Dec 17, 2019
Replies
6
Views
2K
Is 2000 Kilocalories the Average Human Need per Day?
Dec 16, 2019
Replies
3
Views
1K
Fields inside charged rings vs spherical shells
Dec 16, 2019
Replies
6
Views
2K
Magnetic levitation of a ball within a transparent tube
Dec 16, 2019
Replies
2
Views
2K
Derivation of [itex] p = \frac{E}{c} [/itex] using Maxwell's light
Dec 15, 2019
Replies
9
Views
3K
History of the theories of electromagnetism
Dec 10, 2019
Replies
4
Views
1K
Mystery Voltage: Investigating a Strange Phenomenon in MHD Testing
Dec 9, 2019
Replies
6
Views
1K
Electrostatics: sign of the potential
Dec 9, 2019
Replies
4
Views
1K
Fundamental frequency of a rectangular-cavity whistle
Dec 8, 2019
Replies
1
Views
2K
Why is the output current of a transformer fixed?
Dec 7, 2019
Replies
22
Views
4K
Electromagnetic radiation measurements
Dec 6, 2019
Replies
2
Views
1K
Trying to make an electromagnetic shaker device
Dec 6, 2019
Replies
3
Views
1K
What's electropositive ion flux in a plasma?
Dec 5, 2019
Replies
4
Views
1K
The relationship of one of Maxwell's equations to Coulomb's Law
Dec 4, 2019
Replies
3
Views
1K
The Energy in an Electromagnetic Wave and the shape of the Wave
Dec 2, 2019
Replies
3
Views
1K
Plasma current direction in the presence of an external field
Dec 2, 2019
Replies
7
Views
2K
The electromagnetic nature of light
Nov 30, 2019
Replies
38
Views
4K
Orientation of the Ferroelectric Hysteresis Loop -- Why is it different now?
Nov 30, 2019
Replies
4
Views
2K
Can a magnetic field ever cause a translation motion?
Nov 28, 2019
Replies
12
Views
2K
Magnetic field outside a solenoid
Nov 25, 2019
Replies
5
Views
3K
Eletromagnétic field representation
Nov 25, 2019
Replies
2
Views
792
How Does Faraday's Law Impact Momentum Conservation in a Magnetic System?
Nov 25, 2019
Replies
13
Views
2K
Magnetic flux (and flux in general)
Nov 21, 2019
Replies
5
Views
5K
Electromagnetics question - magnetic field and electrolysis
Nov 20, 2019
Replies
10
Views
2K
Magnetic Braking: Pendulum Strength Req. for Effects
Nov 20, 2019
Replies
2
Views
1K
What is the maximum charge in Coulombs can be obtained in ionistor?
Nov 19, 2019
Replies
8
Views
1K
What would happen to a charge that is placed in an Electric Field = 0?
Nov 18, 2019
Replies
5
Views
1K
How do we derive this forumla I=nqAv for current?
Nov 18, 2019
Replies
1
Views
2K
Best permanent magnet arrangement?
Nov 13, 2019
Replies
4
Views
2K
Faraday Cage Concept and Building Questions
Nov 13, 2019
Replies
1
Views
10K
Is Voltage a measurement of pressure?
Nov 11, 2019
Replies
33
Views
7K
Voltage drop across a capacitor and resistor in series
Nov 10, 2019
Replies
19
Views
5K
Electromagnetic stress-energy formula in wikpedia
Nov 6, 2019
Replies
6
Views
1K
Lenz's law and instantaneous change in inductor's current
Nov 2, 2019
Replies
3
Views
2K
Discussion Thread on the "Massless Charge" Perpetual Motion Machine
Oct 28, 2019
Replies
1
Views
1K
Effect of a charge's own field on itself (Feynman Lec. Vol. [I]-28 )
Oct 23, 2019
Replies
1
Views
909
Is the Maxwell Ampere Law in Lieberman's Textbook Correctly Stated?
Oct 22, 2019
Replies
7
Views
2K
Does the size of a magnet affect its range?
Oct 21, 2019
Replies
49
Views
3K
Wavelength to Frequency Relationship in Musical Notes
Oct 21, 2019
Replies
11
Views
5K
Equation of motion in polar coordinates for charged particle
Oct 20, 2019
Replies
14
Views
2K
Flux & Physics: Explaining the Constancy of Flux
Oct 20, 2019
Replies
1
Views
2K
Line charge inside a conducting sphere?
Oct 17, 2019
Replies
7
Views
1K
Electric Field Outside of a Ring of Charge in the X-Y Plane
Oct 15, 2019
Replies
10
Views
3K
Current: the speed of charges vs the number of charges past a point
Oct 14, 2019
Replies
37
Views
3K
Time derivative jump of the electric/magnetic field
Oct 13, 2019
Replies
3
Views
4K
How do we know the mass of an electron?
Oct 13, 2019
Replies
28
Views
4K
The Angular Momentum of an Electric and Magnetic Charge
Oct 9, 2019
Replies
6
Views
2K
Prove to me how capacitors in parallel can have the same V across plates
Oct 9, 2019
Replies
7
Views
2K
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