7. < How R you? Part 1>. Consider a resistor network connected to a 32.0-V battery as shown. Thebattery has negligible internal resistance. If the equivalent resistance of the resistor network is6.40 Q, what is the value of the resistance of one of the resistors?c) 2.50 2d) 1.10 Qa) 0.562 QE = 32.0 Vb) 5.50 Q2.00 N2.00 N1.50 N3.00 N3.00 N8. . From the circuit network in Item 7, what is the potential difference acrossthe resistor ?c) 5.00 Vd) 12.5 Va) 4.50 Vb) 7.50 V

Answered: Image /qna-images/answer/55ae5d9a-0428-40c5-8145-a92cab8b9558.jpg

7. < How R you? Part 1>. Consider a resistor network connected to a 32.0-V battery as shown. The battery has negligible internal resistance. If the equivalent resistance of the resistor network is 6.40 N, what is the value of the resistance of one of the resistors? a) 0.562 Q b) 5.50 Q c) 2.50 Q d) 1.10 Q E = 32.0 V 2.00 N 2.00 N 1.50 N R 3.00 N 3.00 N 8. . From the circuit network in Item 7, what is the potential difference across the resistor ? a) 4.50 V b) 7.50 V c) 5.00 V d) 12.5 V

7. < How R you? Part 1>. Consider a resistor network connected to a 32.0-V battery as shown. The battery has negligible internal resistance. If the equivalent resistance of the resistor network is 6.40 N, what is the value of the resistance of one of the resistors? a) 0.562 Q b) 5.50 Q c) 2.50 Q d) 1.10 Q E = 32.0 V 2.00 N 2.00 N 1.50 N R 3.00 N 3.00 N 8. . From the circuit network in Item 7, what is the potential difference across the resistor ? a) 4.50 V b) 7.50 V c) 5.00 V d) 12.5 V

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter18: Direct-Current Circuits

Section: Chapter Questions

Problem 1CQ: Choose the words that make each statement correct. (i) When two or more resistors are connected in...

See similar textbooks

Similar questions

Choose the words that make each statement correct. (i) When two or more resistors are connected in series, the equivalent resistance is always [(a) greater than; (b) less than] any individual resistance. (ii) When two or more resistors are connected in parallel, the equivalent resistance is always [(c) greater than; (d) less than] any individual resistance.
A child’s electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 in series with a 1.53-V carbon-zinc dry cell having a 0.100- internal resistance. The load resistance is 10.0 . (a) Draw a circuit diagram of the toy and its batteries, (b) What current flows? (c) How much power is supplied to the load? (d) What is the internal resistance of the dry cell if it goes bad, resulting in only 0.500 W being supplied to the load?
When a straight wire is heated, its resistance changes according to the equation R = R0 [1 + (T T0)] (Eq. 17.7), where is the temperature coefficient of resistivity. (a) Show that a more precise result, which includes the length and area of a wire change when it is heated, is R=R0[1+(TT0)][1+(TT0)][1+2(TT0)] where is the coefficient of linear expansion. (See Topic 10.) (b) Compare the two results for a 2.00-m-long copper wire of radius 0.100 mm, starting at 20.0C and heated to 100.0C.
Integrated Concepts A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of 10.0 A. (a) What is the battery’s internal resistance? (b) What power is dissipated inside the battery? (c) At what rate (in °C/min ) will its temperature increase if its mass is 20.0 kg and it has a specific heat of 0.300 kcal/kg. °C, assuming no heat escapes?
(a) Can the circuit shown in Figure P27.21 be reduced to a single resistor connected to a battery? Explain. Calculate the currents (b) I1, (c) I2, and (d) I3. Figure P27.21
When a straight wire is heated, its resistance changes according to the equation R = R0 [1 + (T T0)] (Eq. 17.7), where is the temperature coefficient of resistivity. (a) Show that a more precise result, which includes the length and area of a wire change when it is heated, is R=R0[1+(TT0)][1+(TT0)][1+2(TT0)] where is the coefficient of linear expansion. (See Topic 10.) (b) Compare the two results for a 2.00-m-long copper wire of radius 0.100 mm, starting at 20.0C and heated to 100.0C.
A car battery with a 12-V emf and an internal resistance of 0.050 is being charged with a current of 60 A. Note that in this process the battery is being charged. (a) What is the potential difference across its terminals? (b) At what rate is thermal energy being dissipated in the battery? (c) At what rate is electric energy being converted to chemical energy? (d) What are the answers to (a) and (b) when the battery is used to supply 60 A to the starter motor?
A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 inseries with a 1.53-V carbon-zinc dry cell having a 0.100- internal resistance. The load resistance is 10.0 . (a) Draw a circuit diagram of the toy and itsbatteries, (b) What current flows? (c) How much power is supplied to the load? (d) What is the internal resistance of the dry cell if it goes bad, resulting in only 0.500 W being supplied to the load?
(a) What is the terminal voltage of a large 1.54-V carbon-zinc dry cell used in a physics lab to supply 2.00 A to a circuit if the cell’s internal resistance is 0.100 ? (b) How much electrical power does the cell produce? (c) What power goes to its load?
1: Two combos or .) Determine Req for the combination of resistors shown below. Req= 7.4411 ✓ 2 R₂=110 R₁ = 4Q x C₂=3 F C₁=9F R₂ = 19 Q C₁=2 F tors & Two C.) Determine Ceq for the combination of capacitors shown below. D.) Determine Ceq for the combination of capacitors shown below. Ceq = 3.1668 F Ceq = C₁=19 F C₁ = 14 F HH Part 2: Four combos of 4 capacitors A.) Determine Ceq for the combination of capacitors shown below. Ceq C₂=11 F C3=17 F TH C.) Determine Ceq for the combination of capacitors shown below. Ceq = C₁=4 F HH Submit Answer C₂ = 17 F C₂=4 F C₂=14 F HH B.) Determine Req for the combination of resistors shown below. Req = 23.71 x 22 R₂ = 16 Q C₁-9 F R₁ = 13 Q C₁=7F C3-10 F B.) Determine Ceq for the combination of capacitors shown below. Ceq = C₂-15 F C₁ = 13 F R₂ = 19 0 C₁=18 F HE C₂= 11 F D.) Determine Ceq for the combination of capacitors shown below. Ceq = C₂-11 F C₁-5 F C₁-19 F C₁=8 F HH
6a. What is the equivalent resistance (R_eq)? 6b. What is the current for the circuit? 6c. What is the potential difference for each resistor? (V1, V2, V3, V4, V5,V6) 6d. What is the current for each resistor? (I1, I2, I3, I4, I5, I6)
3. A 12-V battery and a 12-ohm resistor are connected as shown in circuit X below. Two 12-ohm resistors are connected as shown in circuit Y. The current in the battery in circuit X is Circult X Circuit Y that in the battery in circuit 25 ZI Hint : Use I = V-R a. 1/3 b. 2 C. the same as Explain A ZI