10. The wires in Figure (222.10g1 are all made of the same material; the length and radius of each wire are noted. Rank in order,
10. The wires in Figure (222.10g1 are all made of the same material; the length and radius of each wire are noted. Rank in order, from largest to smallest, the resistances R1 to R5 of these wires. Explain. Figure (122.10 L L 2L . " a: 2:13 24:) a: 21:) l 2 3 L 25. | | What are the resistances R and the emf of the battery in Figure 1323.259? Figure P2325 NH! 18. | | | What is the value of resistor R in Figure P23.18 9? Figure P23.18 2.0 A 0.08 A WW 10 0 WW 15 0 WW R29. I Figure 132232.291;| shows the currentversuspotentialdifference graph for a resistor. a. What is the resistance of this resistor? b. Suppose the length of the resistor is doubled while keeping its cross section the same. (This requires doubling the amount of material the resistor is made of.) Copy the gure and add to it the current-versus-potentialdifference graph for the longer resistor. Figure P2229 HA} 5.!) (3 hr. . r... Alf-1V} 5 I\" 11. | What is the equivalent resistance of each group of resistors shown in Figure 1323.119? Figure P2311 (a) 21} {I {b} 3.011 19. | | What is the equivalent resistance between points a and b in Figure 1323.199? Figure P23.19 4!)
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