(III) (a) Determine the currents I, 1,, and Iz in Fig. 19–61.Assume the internal resistanceof each battery isr = 1.0 N. (b) What isthe terminal voltageof the 6.0-V battery?12.0 V22 Ω12 228 Ω|12.0 V11Ω16 2FIGURE 19–61Problems 34 and 35.6.0 VI3ww

To find: (a) Determine the currents I1, I2 and I3 in the given figure assume the internal resistance…

Answered: (III) (a) Determine the currents I, 1,,…

University Physics Volume 2

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Chapter10: Direct-current Circuits

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Problem 10.1CYU: Check Your Understanding If you place a wire directly across the two terminal of a battery,...

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(II) What is the net resistance of the circuit connected to the battery in Fig. 19–50? R R C ww B ww R V R FIGURE 19-50 R A Problems 19 and 20. ww
A three-way lightbulb can produce 50 W, 100 W, or 150 W, at 120 V. Such a bulb contains two filaments that can be connected to the 120 V individually or in parallel (Fig. 19–74). (a) Describe how the connections to the two filaments are made to give each of the three wattages. (b) What must be the resistance of each filament? FIGURE 19–74 Problem 68.
(II) For the circuit shown in Fig. 19–55, find the potential difference between points a and b. Each resistor has R R = 160 N and each bat- tery is 1.5 V. a 1.5 V• R: R R 1.5 V FIGURE 19-55 Problem 27. b
(III) When the resistor R in Fig. 19-73 is 35 N, the high- resistance voltmeter reads 9.7 V. When R is replaced by a 14.0-N resistor, the voltmeter reading drops to 8.1 V. What are the emf and V internal resistance of the battery? ww R FIGURE 19–73 Problem 66.
(II) Suppose two batteries, with unequal emfs of 2.00 V and 3.00 V, are connected as shown in Fig. 19–62. If each internal resistance is r = 0.350 N, and R = 4.00 N, what is the voltage R= 4.00 2 E= 2.00 V across the resistor R? FIGURE 19–62 Problem 36. E = 3.00 v"
- (III) (a) A network of five equal resistors R is connected to a battery & as shown in Fig. 19–60. Determine the current I that flows out of the R battery. (b) Use the value determined for I to find the wwww W R ww single resistor Req that is equivalent R R to the five-resistor R network. FIGURE 19-60 Problem 33.
(b) the potent nals a and b; 3 Find the current at point a in Fig. 20-45. duced in the 5 being produce the battery's c 5 A Fig. 20-45 ww ww
A 12.0-V battery, two resistors, and two capacitors are connected as shown in Fig. 19–87. After the circuit has been connected for a long time, what is the charge on each сараcitor? 1.3 k2 12.0 V= 12 μF - 48 μF 3.3 k2 FIGURE 19-87 Problem 89.
Which resistors in Fig. 19–41 are connected in parallel? (a) All three. (b) Rị and R2. (c) R2 and R3. (d) Rị and R3. (e) None of the above. R1 R2 FIGURE 19–41 R3 MisConceptual Question 2.
A flashlight bulb rated at 2.0 W and 3.0 V is operated by a 9.0-V battery. To light the bulb at its rated voltage and power, a resistor R is connected in series as shown in Fig. 19–85. What value should the resistor have? R FIGURE 19-85 Problem 87. 9.0 V
For the circuit shown in Fig. 19–80, determine (a) the current through the 16-V battery and (b) the potential difference between 13 k2 b 10 k2 a points a and b, Va - Vp. 16 V= - 21 V FIGURE 19-80 Problem 82. 12 V ww 18 k2 12 k2
(II) A 4.5-V battery is connected to a bulb whose resistanceis 1.3 Ω How many electrons leave the battery per minute?

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University Physics Volume 2

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9781938168161

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OpenStax

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ISBN:

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(III) (a) Determine the currents I, 1,, and Iz in Fig. 19–61. Assume the internal resistance of each battery is r = 1.0 N. (b) What is the terminal voltage of the 6.0-V battery? 12.0 V 22 Ω 12 2 28 Ω |12.0 V 11Ω 16 2 FIGURE 19–61 Problems 34 and 35. 6.0 V I3 ww