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current density
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37 Terms
What is the formula of current density (J) ?
J = n*q*v_d
I = n*q*v_d*A
Therefore
J = I/A
What is the relationship between current density (J) and electric field?
What is the relationship between resistivity and resistance?
What is the magnetic field of an ideal infinite solenoid?
What is the energy stored in an inductor?
How to find average collision time of electrons knowing conductivity and career density?
Sigma = 1/rho → conductivity = 1/resistivity
What is the torque for a current-carrying coil in a uniform magnetic field?
What is the formula of Force acting on a straight wire segment, and Torque for a current-carrying coil in a uniform magnetic field?
What is the formula of magnetic force on a current-carrying wire?
What is a formula for current when we only know about speed of q and the area we are traversing?
T = period aka the time it takes to complete one loop
What are the properties we need to know about magnetic moment and electric dipole moment?
What is the magnetic field over a current-carrying wire?
What is the formula of magnetic field for current-carrying loops?
What is the formula of magnetic field for solenoids?
What is the unit of measurement of Tesla
Electric field formulas and magnetic field formulas
What is the unit of measurement for electrical conductivity?
you can figure out the rest
What is the unit of measurement for Weber (Wb)?
What does resistivity usually depend on?
What is the formula of induced emf for a rotating loop in a uniform magnetic field?
What is the unit of measurement of inductance (L)
What is the formula of inductance with N turns
How to find induced emf from inductance?
What is the energy density formula for magnetic fields?
What is the relationship between current density and current itself?
What is the formula of magnetic field moment?
What is the unit of measurement of electrical induction vector (D)?
What is the magnetic field generated by current flowing through a circular loop? (Full version)
Which also means the field decreases as 1 / x³ at large distances!
What can be said about Hystresis loop ferromagnetic material area?
It is expressed in energy per unit volume
What is the formula of magnetic field generated by a charge in non-relativistic motion?
How to find if a current is stationary or not, given their current density?
What is the relationship with current density and charge density?
Formula of magnetic field of infinite wire radius R, current i, when we are inside the wire?
What is Felici’s Law?
Two indefinite length wires. One crossed 0.2A. The other is at distance L = 20cm from the first. If F is attractive and F = 1×10^-6 N/m, what is the direction and magnitude of the other wire?
What can be said about displacement currents in the formula of Ampere-Maxwell?
