1. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURAS DO CAPÍTULO 3

2. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.1 Símbolo de resistência e sua abreviação. slide 2

3. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.2 Fatores que afetam a resistência de um condutor. slide 3

4. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.13 (a) Condutores – coeficiente de temperatura positivo; (b) Semicondutores – coeficiente de temperatura negativo. slide 4

5. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.19 Resistor fixo de carbono. slide 5

6. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.20 Resistores fixos de carbono de diferentes potências. slide 6

7. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 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

8. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURE 3.24 Circuitos com resistores de filme fino. (Courtesia da Dale Electronics, Inc.) slide 8

9. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.25 Potenciômetro: (a) símbolo; (b) and (c) conexões tipo reostato; (d) símbolo de reostato. slide 9

10. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.26 Potenciômetro com resistor de carbono. (Cortesia daf Allen-Bradley Co.) slide 10

11. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 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

12. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.30 Código de cores – resistor fixo de carbono. slide 12

13. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. TABELA 3.7 Código de cores para resistores. slide 13

14. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.33 Medido a resistência de um elemento isolado. slide 14

15. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.34 Checando a continuidade de uma conexão. slide 15

16. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.35 Identificando os fios de um cabo. slide 16

17. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.36 Termistor: (a) característica; (b) símbolo. slide 17

18. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 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

19. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.38 Célula fotocondutora: (a) característica; (b) símbolo. slide 19

20. Robert L. Boylestad Introductory Circuit Analysis, 8ed. Copyright ©1997 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. FIGURA 3.39 Células fotocondutoras. (Cortesia of EG&G VACTEC, Inc.) slide 20