# This is all the information given. <Chapter 19 - Homework Problem 19.20 8 of 26 Review...

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This is all the information given.

<Chapter 19 - Homework Problem 19.20 8 of 26 Review 1 Constants A copper transmission cable 180 km long and 120 cm in diameter carries a current of 140 A. Part A What is the potential drop across the cable? VO ΑΣΦ I ? V- 3.8. 10-4 V Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining Next > Provide Feedback
Course Home <Chapter 19 - Homework 2 of 26 Problem 19.05 Review Constants A 14.0 gauge copper wire of diameter 1.628 mm carries a current of 130 mA Part A What is the potential difference across a 2.05 m length of the wire? V - 2.20x10* V Submit Previous Answers ✓ Correct Part B What would the potential difference in part A be if the wire were silver instead of copper, but all else was the same? ΑΣΦ ? V - 1.48. 10-4 V Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining Provide Feedback Next > Pearson
<Chapter 19 - Homework 4 of 26 > Problem 19.10 Review 1 Constants An aluminum bar 3.75 m long has a rectangular cross section 1.01 cm by 5.11 cm. Part A What is its resistance? R-1.91x10+ 0 Subin Previous Answers Correct Part B What is the length of a copper wire 1.52 mm in diameter having the same resistance? ΑΣφ. ? L. 1.76 m Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining
<Chapter 19 - Homework Problem 19.26 11 of 2 Review | Cons With a 1600 MA resistor across its terminals, the terminal voltage of a certain battery is 2.65 V. With only a 5.12 A resistor across its terminals, the terminal voltage is 1.70 V. Part A Find the internal erf of this battery. Express your answer in volts to three significant figures. ΑΣΦ ? V Submit pequest Answer Part B Find the internal resistance of this battery. Express your answer in ohms to three significant figures. vo ΑΣΦ TE 12 Submit Request Answer
unselonte Chapter 19 - Homework 11 of 26 ( Problem 19.26 Review Constants Part B With a 1600 MO resistor across its terminals, the terminal voltage of a certain battery is 2.65 V . With only a 5.12 A resistor across its terminals, the terminal voltage is 1.70 V. Find the internal resistance of this battery Express your answer in ohms to three significant figures. 100 ΑΣΦ ? 12 Submit Request Answer Part C What would be the terminal voltage if the 5.12 resistor were replaced by a 7.12 n resistor? Express your answer in volts to three significant figures. VAX ? V= V Submit Request Answer Provide Feedback Next >
<Chapter 19 - Homework Problem 19.40 17 of 26 Review Constants Assume that R, -42, R = 74 , Rs = 111.R, -72 R- 12 , and Rs 210 Part C Find the equivalent resistance of the combination shown in (Figure 3). Express your answer in ohms to two significant figures. VALD ? Ray - 43.177 Submit Previous Answers Request Answer * Incorrect; Try Again; 5 attempts remaining Figure 1014 Part D 25 12 Find the equivalent resistance of the combination shown in (Figure 4). Express your answer in ohms to two significant figures. 1212 ΑΣΦ. 5.0 12 ? R. 12 R Submit Request Answer

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