Hello, I need help answering this question. Pls & thank you! Let us consider the following circuit where two batteries 1= 21 v with internal resistancen= 0.32 and 2 = 12 y with 2 = 0.20areconnected to two resistors R1 = 1.52 and R2 with the current = 2 A%3DR2atWhat is the potential difference between points a and b?Select one:O a. 69.6 VO b. 17.4 VO c. 34.8 VO d. 52.2 VO e. none of these

Given data : V1 = 21 V ; V2 = 12 V r1= 0.3 ohm ; r2 = 0.2 ohm R1 = 1.5 ohms Current in resistance…

Let us consider the following circuit where two batteries 1 21 V with internal resistancer1 = 0.30 = 12 v with 2 = 0.20 are %3D and connected to two resistors R1 = 1.552 and R2 with the current = 2 A R2 a What is the potential difference between points a and b? Select one: O a. 69.6 V O b. 17.4 V O c. 34.8 V O d. 52.2 V O e. none of these

Let us consider the following circuit where two batteries 1 21 V with internal resistancer1 = 0.30 = 12 v with 2 = 0.20 are %3D and connected to two resistors R1 = 1.552 and R2 with the current = 2 A R2 a What is the potential difference between points a and b? Select one: O a. 69.6 V O b. 17.4 V O c. 34.8 V O d. 52.2 V O e. none of these

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Direct-current Circuits

Section: Chapter Questions

Problem 21P: (a) Can the circuit shown in Figure P27.21 be reduced to a single resistor connected to a battery?...

See similar textbooks

Similar questions

A circuit contains a D-cell battery, a switch, a 20- resistor, and three 20-mF capacitors. The capacitors are connected in parallel, and the parallel connection of capacitors are connected in series with the switch, the resistor and the battery, (a) What is die equivalent capacitance of the circuit? (b) What is the KC time constant? (c) How long before the current decreases to 50% of the initial value once the switch is closed?
A typical cell phone consumes an average of about 1.00 W of electrical power and operates on 3.80 V. (a) What average current does the phone draw from its battery? (b) Calculate the energy stored in a fully charged battery if the phone requires charging after 5.00 hours of use.
The- pair of capacitors in Figure P28.63 are fully charged by a 12.0-V battery. The battery is disconnected, and the switch is then closed. Alter 1.00 ms has elapsed, (a) how much charge remains 011 the 3.00-F capacitor? (b) How much charge remains on the 2.00-F capacitor? (c) What is the current in the resistor at this time?
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) 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
(a) Find the current in each resistor of Figure P18.18 by using the rules for resistors in series and parallel. (b) Write three independent equations for the three currents using Kirchhoffs laws: one with the node rule; a second using the loop rule through the battery, the 6.0- resistor, and the 24.0- resistor; and the third using the loop rule through the 12.0- and 24.0- resistors. Solve to check the answers found in part (a). Figure Pl8.18
(a) Find the current in each resistor of Figure P18.18 by using the rules for resistors in series and parallel. (b) Write three independent equations for the three currents using Kirchhoffs laws: one with the node rule; a second using the loop rule through the battery, the 6.0- resistor, and the 24.0- resistor; and the third using the loop rule through the 12.0- and 24.0- resistors. Solve to check the answers found in part (a). Figure Pl8.18
A capacitor of capacitance C is connected to four resistors R = 62 R, = 4O R, =90 and R 60 %3D and a battery V= 36 V with an open %3! switch. R, R. R R. What is the voltage across R1 when the switch has just been closed? Select one: O a 21.6 V O b. 0V O c. 14.4 V O d. 36 V The following is a part of a circuit. The potential of V = 200 V is provided at point a that is connected to resistors = 40 2=60 and 3 =9 12:12 PM 5/13/2021 近

Consider the adjacent circuit, where R1=R3=RL=2 kilo-Ohms, R2=3 kilo-Ohms, V1= 10V, and V2=8 V. The Thevenin equivalent voltage between points A and B (in Volts) is: R1 A RL B R2 V1 V2 R3 O a. 5.00 O b. 4.29 O c. 10.00 O d. 3.00 O e. 1.43
Let us consider the following circuit where two batteries 1=2l V with internal resistance 1=0.3 2 and = 12 v with = 0.20 %3D are connected to two resistors R, = 1.50 and R2 with the current = 2 A R2 What is the value of the resistance R2 ? Select one: O a. none of these O b. 52 O c. 10 2 O d. 750 O e 2.5 2 Three batteries of = 15 V with intemal resistancer = 12/ and -12 are connected to two resistors = 20 and R, = 20 The 12:30 PM 5/13/2021
01701&cmid=97298page38 For the following circuit in the figure below. Determine V,-V, (in units of V) for E = 48.5 V. a t of estion 20 20 50 9. Select one: OA. 8.08 OB. -40.42 OC. -9.70 OD. -8.08 OE 9.70 ous page brt sc delete backsoace ent
Imssb1.mutah.edu.jo/mod/quiz/attempt.php?a For the following circuit in the figure below. Determine V-V, ( in units of V) for z = 47 V. a 3. 20 22 52 Select one: OA. 7.83 O B. 9.40 OC -39.17 OD. 940 OE-783 Clear my choice INS