Electric Current in a Hydrogen Atom - Physics Forums
2005年5月4日 · "In the Bohr modle of the hydrogen atom, an electron in the lowest energy state follows a circular path at a distance of 5.29 x 10^-11m from the proton. (a) Show that the …
Electric Current of an Orbiting Electron - Physics Forums
2017年1月13日 · An electron's orbit determines its speed and direction of movement, which in turn affects the flow of electric charge and creates an electric current. The faster an electron …
Find Electron Current Through Iron Wire - Physics Forums
2016年4月29日 · The electron current through an iron wire can be determined by using Ohm's Law, which states that current (I) is equal to the voltage (V) divided by the resistance (R). …
Solve Current Formula: I=nqAv | HELP - Physics Forums
2005年1月12日 · How do I solve for current using this formula? To solve for current, you need to plug in the values for n, q, A, and v into the formula I = nqAv and perform the necessary …
Electron Spin and current-induced magnetic fields - Physics Forums
2017年5月12日 · It refers to the intrinsic angular momentum of an electron, which gives it a magnetic moment. How does electron spin contribute to current-induced magnetic fields? …
Solve Electron Current in 1.00mm Gold Wire: How Long for 1 Mole?
2007年3月13日 · How is electron current calculated in a 1.00mm gold wire? Electron current is calculated by dividing the total charge passing through the wire by the time it takes for the …
Electron Drift Speed: Find Current Density & Current in a Gold Wire
2005年2月7日 · Electron drift speed is the average velocity at which electrons move through a material, typically in response to an applied electric field. It is measured in meters per second …
The current of a single electron - Physics Forums
2015年11月1日 · It is a fundamental unit of electric current and is approximately 1.602 x 10^-19 amperes. 2. How is the current of a single electron measured? The current of a single electron …
Electric Field of Single-Battery Circuit with Thin/Thick Wires
2010年3月24日 · The thin wire has cross-sectional area 6.4e-8 m2, and is 7.5 cm long. In this metal, the electron mobility is 6e-4 (m/s)/(V/m), and there are 8e+28 mobile electrons/m3. Use …
Why is current considered a scalar in physics textbooks?
2006年11月16日 · take an area perpendicular to the velocity, and measure the charge that passes in time dt. let n be the electron's density, so charge that passes this cross section is …