Notes of “Current and Resistance” for BSc written by Mr.Nasir Pervaiz Butt. These notes are very helpful to prepare Electricity & Magnetism for BSc and are in accordance with paper pattern of Punjab University-Lahore, GCU-Lahore, GCU-Faislabad, University of Sargodha-Sargodha and all other universities of Punjab and Pakistan.

Summary & Contents:

Electric current is a flow of electric charge through a medium and electrical resistance of an electrical element is the opposition to the passage of an electric current through that element…

  • Electric Current
  • Current Density
  • Relation b/w Current Density and Drift Velocity
  • Resistance, Resistivity and Conductivity
  • Relation b/w Conductivity and Current Density
  • Microscopic and Macroscopic Quantaties
  • Ohm's Law
  • Analogy b/w Current and Heat Flow
  • Microscopic View of Ohm's Law
  • Energy Transfer in an Electric Circuit
  • Semiconductors

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