ELC 2330 Lecture Notes - Lecture 2: Equivalent Series Resistance, Voltage Divider, Voltage Source
16 Sep 2017
School
Department
Course
Professor
Document Summary
An electric circuit or electric network is an interconnection of electrical elements linked together in a closed path so that an electric current may flow through continuously. The unit of current is the ampere (a); an ampere is 1 coulomb per second. The flow of current is conventionally represented as a flow of positive charges. The quantity of charge q can be expressed in terms of the charge on one (from + to - ?) Charge is the quantity of electricity responsible for electric phenomena. Current is the time rate of flow of electric charge past a given point. electron, which is (cid:883). 6(cid:882)(cid:884) (cid:883)(cid:882) (cid:2869)9coulombs. Charge, (cid:1869), is expressed in coulombs (c) If the charge (cid:1869) is known, the current is readily found using this equation: Where (cid:1869)(cid:4666)(cid:882)(cid:4667) is the charge at (cid:1872)=(cid:882). A direct current (dc) is a current of constant magnitude. charge from the - terminal to the + terminal. The unit of voltage is the volt, v.
