Physics > Magnetic Fields: Page 1

Determining induced magnetic field inside wire loop Determining magnetic field induced by bent wire at circle center Infinitesimal segment of the arc of radius r Infinitesimal wire segment Magnetic field at point P due to one side of the loop with current i Magnetic field with uniform current into and out of the page Field not parallel to the sheet Field not parallel to the sheet: current reversed Field not parallel to sheet: current reversed, rotated 180 deg Resulting field above and below sheet Portion of wire with current i that will induce a magentic field at P Current at point P due to long straight wire with current i Magnetic field lines along straight wire with current i Induced magnetic field due to circular arc of current Crossection: long straight cylindrical wire or radius R Solenoid crossection: wires coming out of page at top and in at bottom Toroid crossection: wires omitted Circular loop with current i Current loop with current i Differential electric field induced by a differential charge element Differential magnetic field produced by current length element Long straight wire: magnetic field lines Long straight wire: induced magnetic field Circular arc wire with radius R and current i Angle between differential arc segment and r Direction of magnetic field at center of circular arc wire Wire: two straight sections connected by an arched section Angle between differential segment and r Circular arc induced magnetic field goes into the page at C Circuit consisting of concentric circular arcs with magnetic field Circuit consisting of concentric circular arcs with magnetic field Circuit consisting of concentric circular arcs with magnetic field Wires with current i1 coming out of the page and i2 into the page Combined induced magnetic fields Attracting wires: carrying parallel currents in the same direction Rail gun Amperian loop encircling two wires and excluding one Signs for currents inside amperian loop Magnetic field induced by a long straight wire with current i Magnetic field induced inside a long straight wire with current i Three currents and three amperian loops around the currents Conducing cylinder: crossection Amperian loop inside conducting cylinder Solenoid crossection Solenoid of finite length: magnetic field lines Long ideal solenoid with current i Toroid: horizontal crossection Magnetic field caused by a current loop Two current loops with same currents centered around a vertical axis
 

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