ECE201_Lecture02

ECE201_Lecture02 - E E201 Linear Cir cuit Analysis I L...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 EE201 Linear Circuit Analysis I Lecture 2. Topic: Voltage, sources, power. 1. Voltage (1) What is voltage? Potential difference (a falling ball / water flowing in a pipe) (2) unit: volt, V 1 V = 1 Joule/Coulomb (3) symbol: V — constant or average voltage v(t) or v — time-varying voltage (4) polarity V AB : the voltage drop from A to B i.e. V + - V BA : the voltage drop from B to A i.e. V - + * The assignment of letter labels or +, – signs is arbitrary, just like or for currents. * A negative V AB means an increase in potential from A to B. * We use +, – with all voltages. * We use letters to designate points along a circuit. * We use subscript numbers to refer to one of many voltages (e.g., V 1 , V 2 , V X , …)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Practice Problem 1. Find the voltage V AD . (5) voltage of battery 2. Sources (1) independent voltage sources Constant voltage source: battery Variable voltage source: + V o V o > 0 at all times
Background image of page 2
(2) dependent voltage sources (3) independent current source
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/19/2011 for the course ECE 201 taught by Professor All during the Spring '08 term at Purdue.

Page1 / 7

ECE201_Lecture02 - E E201 Linear Cir cuit Analysis I L...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online