1. 1 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2. 2 (a) A short circuit (R = 0), (b) An open circuit (R=  ).

2. 2 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2.10 Nodes, branches, and loops.

3. 3 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2.16 Currents at a node illustrating KCL.

4. 4 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2.19 A single-loop circuit illustrating KVL.

5. 5 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2.29 A single-loop circuit with two resistors in series.

6. 6 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2.31 Two resistors in parallel

7. 7 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2.34 For Example 2.9

8. 8 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2.48 Two forms of the same network: (a) , (b) .

9. 9 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2.49 Superposition of Y and  networks as an aid in transforming one to another

10. 10 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2.55 (a) Parallel connection of light bulbs, (b) series connection of light bulbs.

11. 11 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig. 2.59 Connection of voltmeter and ammeter to an element