University Physics with Modern Physics (14th Edition)

14th Edition

ISBN: 9780321973610

Author: Hugh D. Young, Roger A. Freedman

Publisher: PEARSON

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Textbook Question

Chapter 26, Problem 26.34E

In the circuit shown in Fig. E26.34, the 6.0-Ω resistor is consuming energy at a rate of 24 J/s when the current through it flows as shown, (a) Find the current through the ammeter A. (b) What are the polarity and emf ε of the unknown battery, assuming it has negligible internal resistance?

Figure E26.34

Chapter 26, Problem 26.34E, In the circuit shown in Fig. E26.34, the 6.0- resistor is consuming energy at a rate of 24 J/s when

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Chapter 26, Problem 26.33E

Chapter 26, Problem 26.35E

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sv 26.31 In the circuit shown in Fig. E26.31 all meters are idealized and the batteries have no appreciable internal resistance. (a) Find the read- ing of the voltmeter with the switch S open. Which point is at a higher poten- tial: a or b? (b) With S closed, find the reading of the voltmeter and the amme- 25.0 V 75.0 Ω ter. Which way (up or down) does the current flow through the switch? Figure E26.31 100.0 Ω a L15.0

26.29. In the circuit shown in Fig. E26.29 the batteries have neg- ligible internal resistance and the meters are both idealized. With the switch S open, the voltmeter reads 17.0 V. (a) Find the emf & of the bat- tery. (b) What will the ammeter read when the switch is closed? Figure E26.29 30.0 Ω www 20.0 75.0 52 25.0 V 50.0 Ω Ω ε = ? $1

26.23. In the circuit shown in Fig. E26.23 find (a) the current in re- sistor R; (b) the resistance R; (c) the unknown emf E. (d) If the circuit is broken at point x, what is the current in resistor R? Figure E26.23 28.0 V R E 4.00 A - ww x 6.00 Ω 6.00 A 3.00 Ω 26.25 In the circuit shown in Fig. E26.25, find (a) the current in the 3.00 resistor; (b) the unknown emfs &₁ and E2; (c) the resistance R. Note that three currents are given. Figure E26.25 2,00 A R www 6.00 Ω 15.00 A 4.00 ΩΣ 3.00 A • 3.00 Ω

Chapter 26 Solutions

University Physics with Modern Physics (14th Edition)

Ch. 26.1 - Suppose all three of the resistors shown in Fig....Ch. 26.2 - Subtract Eq. (1) from Eq. (2) in Example 26.6. To...Ch. 26.3 - You want to measure the current through and the...Ch. 26.4 - The energy stored in a capacitor is equal to...Ch. 26.5 - To prevent the circuit breaker in Example 26.14...Ch. 26 - In which 120-V light bulb does the filament have...Ch. 26 - Two 120-V light bulbs, one 25-W and one 200-W,...Ch. 26 - You connect a number of identical light bulbs to a...Ch. 26 - In the circuit shown in Fig. Q26.4, three...Ch. 26 - If two resistors R1 and R2 (R2 R1) are connected...

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