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Calculate power required to operate superconducting magnet
Mar 16, 2015
Replies
2
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1K
Why does my inductor coil have no effect on my circuit
Mar 15, 2015
Replies
8
Views
3K
Voltage loss w/ resistor scaling with current
Mar 15, 2015
Replies
5
Views
1K
Force on a magnet inside a short coil
Mar 15, 2015
Replies
3
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1K
Power drawn from capacitor in series w bulb & voltage supply
Mar 15, 2015
Replies
5
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2K
What does an infinite line of charge represent?
Mar 15, 2015
Replies
3
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1K
Does a moving magnetic field generate a current?
Mar 15, 2015
Replies
4
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2K
Do electrons produce a constant magnetic field?
Mar 15, 2015
Replies
25
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4K
What is the connection between the Poynting Vector and Current in Physics?
Mar 14, 2015
Replies
2
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1K
Understanding Electromotive Force and Internal Resistance in Batteries
Mar 14, 2015
Replies
3
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2K
Specific heat capacity ; voltage ; heating water
Mar 14, 2015
Replies
1
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3K
Electric Field of Line/wire Charge (E flux through Gs)
Mar 13, 2015
Replies
3
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2K
Electromagnetic induction of two wires
Mar 13, 2015
Replies
3
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1K
Capacitor with magnetic dielectric
Mar 13, 2015
Replies
2
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2K
Physics behind magnetic security gates?
Mar 13, 2015
Replies
2
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1K
Electrolysis System Work and Real Gas Law
Mar 12, 2015
Replies
3
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1K
Classical approach to claculate magnetic force
Mar 12, 2015
Replies
2
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1K
Torques between revolving magnet bars
Mar 12, 2015
Replies
5
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1K
Confusion about inner inductance of transmission line
Mar 12, 2015
Replies
1
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1K
Help me understand magnetic flux linkage
Mar 12, 2015
Replies
7
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2K
Do birds on transmission lines experience electric shock?
Mar 11, 2015
Replies
4
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3K
Which Simulation Software is Best for Calculating Magnetic Force Interactions?
Mar 11, 2015
Replies
5
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3K
Electric Field from Maxwell's Equations
Mar 10, 2015
Replies
3
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1K
What would happen if a stream of electrons hits a conductor?
Mar 10, 2015
Replies
4
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1K
Electrons & Gases: Changing Colour w/ Speed Increase
Mar 10, 2015
Replies
1
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1K
Divergence of the Electric Field
Mar 10, 2015
Replies
2
Views
1K
Solenoid Magnetic Field Testing
Mar 10, 2015
Replies
1
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2K
How many volts does a cathode ray tube emits?
Mar 10, 2015
Replies
2
Views
2K
Magnetic levitation using alternating current
Mar 9, 2015
Replies
13
Views
5K
Low Temp Limit: Paramagnet v. Einstein solid
Mar 8, 2015
Replies
1
Views
2K
Deriving Ideal Gas using Molecular Flux Equation
Mar 8, 2015
Replies
11
Views
4K
Why does electric flux have 'cos θ' in its formula?
Mar 7, 2015
Replies
6
Views
11K
What is the relationship between impulse and momentum in physics?
Mar 7, 2015
Replies
23
Views
5K
Expressing electric field in cylindrical coordinates.
Mar 7, 2015
Replies
10
Views
10K
Questions about photon/electron interaction
Mar 7, 2015
Replies
6
Views
2K
Differences between two Voltage formulas
Mar 6, 2015
Replies
4
Views
1K
A question about electromagnetic induction
Mar 6, 2015
Replies
5
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2K
Define a steady state current ?
Mar 6, 2015
Replies
2
Views
2K
Calculating magnetic field for a micro solenoid
Mar 6, 2015
Replies
1
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2K
Flux diode, magnetic semiconductors
Mar 6, 2015
Replies
5
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2K
Changing electric field and refractive index
Mar 6, 2015
Replies
10
Views
3K
Electric charge flow in AC and DC
Mar 6, 2015
Replies
43
Views
4K
Why does a Charge Outside a Surface Produce No Net Flux?
Mar 5, 2015
Replies
2
Views
1K
Why is the flux through the top of a cylinder zero?
Mar 5, 2015
Replies
1
Views
2K
Which is the correct Expression for Drift Velocity of Electrons in a conductor ?
Mar 4, 2015
Replies
1
Views
7K
Any current work on plasma railguns?
Mar 4, 2015
Replies
3
Views
956
Conservation of energy question with demagnetized magnets
Mar 4, 2015
Replies
2
Views
2K
: Is it possible to make an electromagnet w 2 like ends?
Mar 3, 2015
Replies
8
Views
2K
Dipole moment of a specific charge distribution
Mar 3, 2015
Replies
3
Views
2K
Voltage & Its Effect on Material Energy Levels
Mar 3, 2015
Replies
1
Views
1K
Why can not we generate electricity with magnets?
Mar 2, 2015
Replies
12
Views
8K
Current flows from where and what charged particle does moves in a current ?
Mar 2, 2015
Replies
10
Views
2K
Is a "Heat Capacitor" Possible?
Mar 1, 2015
Replies
21
Views
6K
Speed of EM wave depending on the frequency
Mar 1, 2015
Replies
8
Views
5K
Understanding Excess Electrons and Their Impact on Charged Objects
Feb 28, 2015
Replies
5
Views
3K
Conservation of energy in a capacitor
Feb 28, 2015
Replies
5
Views
3K
Mass of Electron: Equations & Quantum Physics
Feb 28, 2015
Replies
2
Views
1K
Charged objects attracted to neutral objects
Feb 28, 2015
Replies
6
Views
2K
Where Can I Find Detailed Information about Nuclear Magnetic Resonance Machines?
Feb 28, 2015
Replies
10
Views
2K
Diamagnetism and orbital magnetic moment
Feb 28, 2015
Replies
3
Views
3K
Which of the loops would feel a magnetic force directed to the right?
Feb 27, 2015
Replies
1
Views
1K
Accelerating charges and frames of reference
Feb 27, 2015
Replies
12
Views
2K
Understanding Magnetic Field Lines: Fact or Fiction?
Feb 27, 2015
Replies
9
Views
2K
Is light is a electromagnetic wave ?
Feb 27, 2015
Replies
4
Views
1K
Electron trajectory in B field with random energy kick
Feb 27, 2015
Replies
4
Views
1K
Does a resistor affect the electric field in a circuit?
Feb 26, 2015
Replies
1
Views
1K
Magnetic Field Changes: Instant or Gradual?
Feb 26, 2015
Replies
7
Views
1K
Electromagnetic inductance -- Mutual inductance
Feb 26, 2015
Replies
3
Views
2K
E=cB and electromagnetic energy density
Feb 26, 2015
Replies
8
Views
4K
Why does electrostatic force move water but not magnetism?
Feb 26, 2015
Replies
5
Views
4K
Elastic Potential Energy to Aid Electromagnetic Induction
Feb 26, 2015
Replies
2
Views
1K
How can the work for water electrolysis be solved using the real gas law?
Feb 26, 2015
Replies
9
Views
3K
Measuring magnetic field of a solenoid relative to distance
Feb 26, 2015
Replies
1
Views
3K
Attractive and repulsive forces from net charges
Feb 25, 2015
Replies
1
Views
1K
2 Q's: EM radiation produced by positive charge
Feb 25, 2015
Replies
6
Views
1K
Accelerating electrons in a cathode ray tube
Feb 25, 2015
Replies
12
Views
7K
Calculating current through solenoid?
Feb 24, 2015
Replies
4
Views
5K
Charge Rod Experiment: Why Didn't My Hand Neutralize?
Feb 24, 2015
Replies
5
Views
2K
Understanding Subscripts and Calculations in Electric Field Equations
Feb 24, 2015
Replies
3
Views
1K
Electrostatics and electric shocks
Feb 24, 2015
Replies
5
Views
2K
Should I Be Concerned About High Magnetic Fields and My Phone's Performance?
Feb 24, 2015
Replies
6
Views
2K
Why Doesn't a Magnet Simply Get Forced One Way or Another in a Solenoid?
Feb 24, 2015
Replies
6
Views
7K
Can a single atom be excited by a single photon in a vacuum tube?
Feb 24, 2015
Replies
8
Views
1K
Can a strong Magnetic Field slow down an object?
Feb 23, 2015
Replies
1
Views
2K
Potential along the X Axis due to Charge Distribution?
Feb 23, 2015
Replies
2
Views
2K
Understanding Electrical Impedance for Calibrating Sensors
Feb 23, 2015
Replies
9
Views
2K
Electric field due to dipole in polar coordinates
Feb 23, 2015
Replies
3
Views
6K
Dipole moment of small circular antenna - only magnetic?
Feb 22, 2015
Replies
1
Views
1K
Magnetic Field from a Single Electron
Feb 22, 2015
Replies
7
Views
4K
What is the Cut-off Frequency and How Does it Affect Signal Processing?
Feb 22, 2015
Replies
6
Views
2K
A question regarding Fourier transform in electron microscop
Feb 22, 2015
Replies
2
Views
1K
Can reflected light help generate electricity with a solar panel?
Feb 22, 2015
Replies
15
Views
7K
Why doesn't Gaus's law count for charges outside the area?
Feb 21, 2015
Replies
2
Views
1K
Calculating the magnetic field of a closed magnetic circuit
Feb 21, 2015
Replies
1
Views
2K
What are electromagnetic waves
Feb 21, 2015
Replies
14
Views
2K
Can the Lorentz Oscillator Model be Modified to Include Radiation Force?
Feb 21, 2015
Replies
4
Views
4K
Questions about Charging Speeds and Wattage
Feb 21, 2015
Replies
9
Views
2K
How fast does an electron spin
Feb 20, 2015
Replies
3
Views
3K
Diffusion Current in Semiconductors: Coulomb's Law?
Feb 20, 2015
Replies
29
Views
4K
Electric potential energy formula deltaPE=-qE(deltaX)
Feb 20, 2015
Replies
4
Views
3K
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