Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURAS DO CAPÍTULO 3
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.1 Símbolo de resistência e sua abreviação. slide 2
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.2 Fatores que afetam a resistência de um condutor. slide 3
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.13 (a) Condutores – coeficiente de temperatura positivo; (b) Semicondutores – coeficiente de temperatura negativo. slide 4
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.19 Resistor fixo de carbono. slide 5
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.20 Resistores fixos de carbono de diferentes potências. slide 6
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.22 Resistores fixos. [Partes (a) e (c) cortesia da Ohmite Manufacturing Co. Parte (b) cortesia da Philips Components Inc.] slide 7
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURE 3.24 Circuitos com resistores de filme fino. (Courtesia da Dale Electronics, Inc.) slide 8
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.25 Potenciômetro: (a) símbolo; (b) and (c) conexões tipo reostato; (d) símbolo de reostato. slide 9
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.26 Potenciômetro com resistor de carbono. (Cortesia daf Allen-Bradley Co.) slide 10
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.27 Resistência entre os terminais de um potenciômetro: (a) entre os terminais externos; (b) entre todos os terminais. slide 11
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.30 Código de cores – resistor fixo de carbono. slide 12
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. TABELA 3.7 Código de cores para resistores. slide 13
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.33 Medido a resistência de um elemento isolado. slide 14
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.34 Checando a continuidade de uma conexão. slide 15
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.35 Identificando os fios de um cabo. slide 16
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.36 Termistor: (a) característica; (b) símbolo. slide 17
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.37 Termistores NTC (negative temperature coefficient – coeficiente de temperatura negativo) e PTC (positive temperature coefficient – coeficiente de temperatura positivo). (Cortesia da Siemens Components, Inc.) slide 18
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.38 Célula fotocondutora: (a) característica; (b) símbolo. slide 19
Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. FIGURA 3.39 Células fotocondutoras. (Cortesia of EG&G VACTEC, Inc.) slide 20