Electromagnetism Forum

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Force acting on a permanent magnet
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Count Coulombs on a Plate: Best Charge Methods
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Help- can I shield a magnet so it won't damage my phone?
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How does a battery create positive and negative charges?
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Question on electromagnetic repulsion
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Motion of a wire in a magnetic field
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Odd voltages on home built PSU
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Calculating Resistance of 0.35m Copper Wire (20 AWG)
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Current density constant in time implies charge density linear in time?
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Nuetron made by electron Bombardment
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Action at a Distance in Electromagnetism?
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Three Laws of Classical Electromagnetism
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Does conservation of energy apply to magnetism?
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A philosophy problem regarding electromagnetic field
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17
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Does a magnet radiate a line force or piont force
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Why does adding a dielectric to a capacitor increase its charge storage?
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Voltage and Current Clarification
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Why do we have the concept of electric potential
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Magnet Fields Dilemma: Moving vs. Still Charge
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What is the correct voltage current eq. for a variable capacitance capacitor?
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Measuring the frequency of the e.m. oscillations in the em. wave
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Massive objects and electric forces
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Help with Ampere's Law: Toroid & Conducting Wire
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Understanding Displacement Current: The Physical Explanation Behind the Concept
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Trying to achieve at least 1 Tesla for a solenoid
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How come when you reverse a diode the current/voltage? is zero?
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4
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Maximizing Power and Arrangement of Electromagnets in a Gauss Gun
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How do current of the circuit affect the magnitism of the nail
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Calculating size of electric motor needed
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Is electrostatic just stationary electricity?
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How Does an Electroscope Detect Electric Charges?
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Are Generator Coils Replaced Due to Electron Depletion?
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Elementary charge(someone , i have a test tomorrow )
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Doppler Effect: Finding Frequency vs Time
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Infinite Self-Energy of a Charged Point Particle
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Van der graaf generator and tesla coil
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Understanding the Fundamentals of Magnetism: How a Magnet Works Explained
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23
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Electric potential anyone help
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Does the electric current have a direction?
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11
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Increasing AC Mains Current to 1-2 A for Physics Lab Expt.
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Demagnetization of a permanent magnet
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2
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I need an equation for Capacitors spherical
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1
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What is the physical explanation and results for a negative dielectric constant?
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10
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Harnessing energy from piezioelectric roadways
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13
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Electron Flow Creates Magnetic Field Around Coil with Permanent Magnet
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Potential energy of point charges
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Concept of an area vector when finding magnetic flux
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4
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Magnetic Polarization in Earth's Magnetic Field - Kazakhstan
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5
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What is Voltage? Answers to Your Questions
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7
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Maxwell's equations and Coulomb's law
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22
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Question on the constant current in electric circuits. [ Not homework ]
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10
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8K
Dielectric Constants & Breakdown of Various Materials
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3
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Magnetic fields such as a field from a neodymium magnet?
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11
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4K
Charge balance in the universe?
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5
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3K
Making/Inducing/Forming a current
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1
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Maxwell Equations in Tensor notation
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6
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What is the Relationship Between Electric Field and Potential?
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Question about electrons, energy levels and orbits
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Where Does the Charge Go When Connected to a Grounded Capacitor?
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5
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Twisted Coil in a Magnetic Field
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Why can't an object gain a (+) charge when rubbed against another?
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Dielectric constant for aliminium nitride
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Cleaning Viewing Ports on a Magnetron System
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7
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Multimeter measures resistance when there’s no battery attached?
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Interesting thought about simple induction
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Magnetism and lagrange formulation of mechanics
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Understanding the Difference: Resistivity vs. Resistance
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Are a Battery's EMF and Terminal Voltage the Same?
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2
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Can a Tesla Turbine Improve Paddling Efficiency on a Kayak?
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6
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How Can I Calculate the Force Produced by an Electromagnet?
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4
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Does a Capacitor Create an Electric Field Between its Wire and Ground?
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5
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Absolute voltage values at battery terminals
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3
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Voltage of Capacitors in Series, a widely held assumption
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3
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Is the electric field constant between two charged plates?
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4
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Faraday's law + bicycle training
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Can the conservation law be violated in electromagnetic induction?
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Does accelerated magnetic charge also radiate?
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25
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Electromagnetic energy is not Gauge invariant?
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4
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Magnetic Vector Potential Around a Wire Carrying Current
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Do You Feel Air Resistance at 120 mph?
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1
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Measuring Frequency: Equipment & Best Way for Newbies
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10
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Homemade Electrical/Mechanical/Physics Trainer
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2
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How to create monopole magnetic material?
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33
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Question about charge in a circuit
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19
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Electric and magnetic field energy
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Faraday's law and induced emf in a loop
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4
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Why are there 2 definitions of Magnetic Moment?
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4
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Electric Field Equation Hollow Cylinder
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Field line near the electrodes for the different electrode
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EM Waves: Charged or Not? Why?
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How Does Magnetron Power Influence Microwave Frequency and Amplitude?
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1
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Does filament size or resistance affect the brightness of a lightbulb?
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3
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Calculating watts per square foot
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3
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Building an HV AC capacitor for a tesla coil
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1
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Neurology / Electromagnetic/ Frequency / Broadcasting question on Physics
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1
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Magnetic Field of a Coil w/ N Spire: Determining Off-Axis Fields
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3
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Electrons and positrons free fall within a superconducting cylinder
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Electrodynamic checks of the equivalence principle
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Why the base of an electric iron is made thick and heavy?
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3
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6K
Why does the resistance decreases with increase in temp for semi- conductors?
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1
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9K

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