Lecture 2 - ΔV = E − IR Fluid Circuits Electric...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ΔV = E − IR Fluid Circuits Electric Circuits Object Flowing Fluid Electron (charge) Flows Through Pipe Metal Current m3/s C/s Energy Density J/m3 J/C Driven By Pressure Difference Voltage Difference Energy Added By Pump Battery Energy Dissipated By Resistance Resistance Fluid Circuits Object Flowing Electric Circuits Fluid Electron (charge) Fluid Electric Circuits Circuits Energy J/m3 Density J/C Fluid Circuits Flows Through Electric Circuits Pipe Metal Fluid Circuits Current Electric Circuits m3/s C/s Fluid Circuits Electric Circuits Driven By Pressure Difference Voltage Difference Energy Added By Pump Battery Fluid Circuits Energy Dissipated By Resistance Electric Circuits Resistance RPipe € 8ηL =4 πr L 1L R=ρ = A kA € Do Clicker Question 2,3 ΔP = E Pump − IR € ΔV = E − IR ΔV = E − IR From the last two lines, we see that:  ­ΔVDA = ΔVAD 0=E ­IR € E I= R ΔVAB =  ­IR ΔVBC = 0 ΔVCD = E ΔVDA = 0 ΔVAD = E ­IR Do Clicker Question 4 ΔV = E − IR VA=0 VB=0 VC=0 VD=0 VE=0 VA 0 6 16 16 0 VB  ­6 0 10 10  ­6 VC  ­16  ­10 0 0  ­16 VD  ­16  ­10 0 0  ­16 VE 0 6 16 16 0 Do Clicker Question 5 RS = R1 + R2 + R3 + ... ΔVS = ΔV1 + ΔV2 + ΔV3 + ... € € L 1L R=ρ = A kA Do Clicker Question 6 1 11 1 =+ + + ... RP R1 R2 R3 ΔVP = ΔV1 = ΔV2 = ΔV3 IP = I1 + I2 + I3 + ... € € € L 1L R=ρ = A kA Do Clicker Question 7 • A+B? • A+C? • A||C? • (A+B)||C? • D+E? • D||E? • E||F? • (E||F)+D? P = IΔV PBattery = IE 2 PR = −I R ΔV PR = − R 2 ΔV = 0 = E − IR1 − IR2 € ΔV = 0 = E1 − I1R1 − E 2 − ( I1 − I3 ) R2 ΔV = 0 = E 2 − I3 R3 − ( I3 − I1 ) R2 ΔV I P Battery 16V 2A 32W R3  ­6V 2A  ­12W R5  ­10V 2A  ­20W ΔV I P Battery 15V 8A 120W R3  ­15V 5A  ­75W R5  ­15V 3A  ­45W RT = RA + 1 1 1 + RB RC + RD 3E IT = 5R IT = IA 2 IB = IT 3 1 IC = ID = IT 3 5R = 3 ...
View Full Document

This note was uploaded on 08/21/2011 for the course PHYS 7B taught by Professor Mcraven during the Spring '10 term at UC Davis.

Ask a homework question - tutors are online