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    About 16 results
    • https://phys.libretexts.org/Courses/Prince_Georges_Community_College/PHY_2030%3A_General_Physics_II/19%3A_Electric_Current_and_Resistance/19.2%3A_Electric_Current
      A battery is a device that converts chemical energy directly to electrical energy.
    • https://phys.libretexts.org/Courses/Georgia_State_University/GSU-TM-Introductory_Physics_II_(1112)/05%3A_Electric_Current_Resistance_and_Ohm's_Law/5.02%3A_Current
      Conventional current is defined to move in the direction of the electric field. (a) Positive charges move in the direction of the electric field and the same direction as conventional current. (b) Neg...Conventional current is defined to move in the direction of the electric field. (a) Positive charges move in the direction of the electric field and the same direction as conventional current. (b) Negative charges move in the direction opposite to the electric field.
    • https://phys.libretexts.org/Courses/Grand_Rapids_Community_College/PH246_Calculus_Physics_II_(2025)/05%3A_Current_and_Resistance/5.03%3A_Model_of_Conduction_in_Metals
      The current through a conductor depends mainly on the motion of free electrons. When an electrical field is applied to a conductor, the free electrons in a conductor do not move through a conductor at...The current through a conductor depends mainly on the motion of free electrons. When an electrical field is applied to a conductor, the free electrons in a conductor do not move through a conductor at a constant speed and direction; instead, the motion is almost random due to collisions with atoms and other free electrons. Although the electrons move in a nearly random fashion, when an electrical field is applied, the overall velocity of the electrons can be defined in terms of a drift velocity.
    • https://phys.libretexts.org/Courses/Joliet_Junior_College/PHYS202_-_JJC_-_Testing/10%3A_Current_and_Resistance/10.03%3A_Model_of_Conduction_in_Metals
      The current through a conductor depends mainly on the motion of free electrons. When an electrical field is applied to a conductor, the free electrons in a conductor do not move through a conductor at...The current through a conductor depends mainly on the motion of free electrons. When an electrical field is applied to a conductor, the free electrons in a conductor do not move through a conductor at a constant speed and direction; instead, the motion is almost random due to collisions with atoms and other free electrons. Although the electrons move in a nearly random fashion, when an electrical field is applied, the overall velocity of the electrons can be defined in terms of a drift velocity.
    • https://phys.libretexts.org/Bookshelves/University_Physics/Physics_(Boundless)/19%3A_Electric_Current_and_Resistance/19.2%3A_Electric_Current
      A battery is a device that converts chemical energy directly to electrical energy.
    • https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_(OpenStax)/University_Physics_III_-_Optics_and_Modern_Physics_(OpenStax)/09%3A_Condensed_Matter_Physics/9.07%3A_Semiconductors_and_Doping
      The energy structure of a semiconductor can be altered by substituting one type of atom with another (doping). Semiconductor n-type doping creates and fills new energy levels just below the conduction...The energy structure of a semiconductor can be altered by substituting one type of atom with another (doping). Semiconductor n-type doping creates and fills new energy levels just below the conduction band. Semiconductor p-type doping creates new energy levels just above the valence band. The Hall effect can be used to determine charge, drift velocity, and charge carrier number density of a semiconductor.
    • https://phys.libretexts.org/Courses/Muhlenberg_College/Physics_122%3A_General_Physics_II_(Collett)/05%3A_Current_and_Resistance/5.03%3A_Model_of_Conduction_in_Metals
      The current through a conductor depends mainly on the motion of free electrons. When an electrical field is applied to a conductor, the free electrons in a conductor do not move through a conductor at...The current through a conductor depends mainly on the motion of free electrons. When an electrical field is applied to a conductor, the free electrons in a conductor do not move through a conductor at a constant speed and direction; instead, the motion is almost random due to collisions with atoms and other free electrons. Although the electrons move in a nearly random fashion, when an electrical field is applied, the overall velocity of the electrons can be defined in terms of a drift velocity.
    • https://phys.libretexts.org/Courses/Bowdoin_College/Phys1140%3A_Introductory_Physics_II%3A_Part_1/04%3A_Current_and_Resistance/4.03%3A_Model_of_Conduction_in_Metals
      The current through a conductor depends mainly on the motion of free electrons. When an electrical field is applied to a conductor, the free electrons in a conductor do not move through a conductor at...The current through a conductor depends mainly on the motion of free electrons. When an electrical field is applied to a conductor, the free electrons in a conductor do not move through a conductor at a constant speed and direction; instead, the motion is almost random due to collisions with atoms and other free electrons. Although the electrons move in a nearly random fashion, when an electrical field is applied, the overall velocity of the electrons can be defined in terms of a drift velocity.
    • https://phys.libretexts.org/Courses/Kettering_University/Electricity_and_Magnetism_with_Applications_to_Amateur_Radio_and_Wireless_Technology/05%3A_Electric_Current_and_Resistance/5.03%3A_Basic_Model_of_Conduction_in_Metals
      The current through a conductor depends mainly on the motion of free electrons. When an electrical field is applied to a conductor, the free electrons in a conductor do not move through a conductor at...The current through a conductor depends mainly on the motion of free electrons. When an electrical field is applied to a conductor, the free electrons in a conductor do not move through a conductor at a constant speed and direction; instead, the motion is almost random due to collisions with atoms and other free electrons. Although the electrons move in a nearly random fashion, when an electrical field is applied, the overall velocity of the electrons can be defined in terms of a drift velocity.
    • https://phys.libretexts.org/Bookshelves/University_Physics/Physics_(Boundless)/21%3A_Magnetism/21.5%3A_Magnetic_Fields_Magnetic_Forces_and_Conductors
      When current runs through a wire exposed to a magnetic field a potential is produced across the conductor that is transverse to the current.
    • https://phys.libretexts.org/Courses/Georgia_State_University/GSU-TM-Physics_II_(2212)/04%3A_Current_and_Resistance/4.02%3A_Model_of_Conduction_in_Metals
      Although it is often convenient to attach a negative or positive sign to indicate the overall direction of motion of the charges, current is a scalar quantity, I=dQdt. It is often nece...Although it is often convenient to attach a negative or positive sign to indicate the overall direction of motion of the charges, current is a scalar quantity, I=dQdt. It is often necessary to discuss the details of the motion of the charge, instead of discussing the overall motion of the charges.

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