In the circuit shown in the figure . the 6.0 N resistor is consuming energy at a rate of 21.0 J/s when the current through it flows as shown. 20.0 1 170 E = ? 190 >6.0 2 20.0 1 25 V 3.0N 13 N 1.00 Part A Find the current through the ammeter A. ANSWER: I = A Part B What are the polarity and emf of the battery E, assuming it has negligible internal resistance? ANSWER: E = V

In the circuit shown in the figure . the 6.0 N resistor is consuming energy at a rate of 21.0 J/s when the current through it flows as shown. 20.0 1 170 E = ? 190 >6.0 2 20.0 1 25 V 3.0N 13 N 1.00 Part A Find the current through the ammeter A. ANSWER: I = A Part B What are the polarity and emf of the battery E, assuming it has negligible internal resistance? ANSWER: E = V

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Direct-current Circuits

Section: Chapter Questions

Problem 28.55AP: For the circuit shown in Figure P28.55. the ideal voltmeter reads 6.00 V and the ideal ammeter reads...

See similar textbooks

Related questions

Q: A resistor with an unknown resistance is connected in parallel to a 12 2 resistor. When both…

A: (B) 6 ohm is the right answer

Q: In The circuit given in Figure A, the current passed through the resistance 1 is į=2A and the…

A: Answer:) (a)Req=3.793 ohm (b)emf of battery =7.586 volt

Q: (a) Find the equivalent resistance of the circuit in Figure P18.8. (R1 = 3.00 N, R2 = 13.0 N) (b) If…

Q: The circuit shown below has a 5 V battery connected to two resistors in series with R1 = 50 2 and R2…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Three resistors R1 = 88.5 N, R2 = 21.1 N, R3 = 70.0 N, and two batteries E, = 40.0 v, and E, = 364 V…

Q: For the circuit shown in the figure, determine the magnitude of the currents 12, 13, and l4 passing…

Q: In The circuit given in Figure 3, the current passed through the resistance I is ii=2A and th…

Q: In the figure the ideal battery has emf 8 = 43 V, the resistances are R1 = 51 kN and R2 = 44 k2, and…

Q: In the circuit below, all four resistors are identical (R, = R, = R3 = R4 = R) and the battery has a…

A: (a) When the switch is placed at position 1, then the circuit diagram be:

Q: 5.00 Ω 3.00 Ω 1.00 N 1.00 N 8.00 N 4.00 V 12.0 V Figure P28.22 Problems 22 and 23. 23. The circuit…

Q: 4.0 2 ww 2.0 2 ww 6 V Lww ww Y 12 V 1.0 2 2.0 2

Q: Three 100 N resistors are connected as shown in the figure. The maximum power that can safely be…

Q: E = 60.0 V, 7=0 2. The circuit in the figure on the right shows a network of resistors connected in…

A: Given The voltage across the circuit is ε=60 V. The resistance of the first resistor is R1=3 Ω. The…

Q: (a) Can the circuit shown in FigureP18.29 be reduced to a single resistor connectedto the batteries?…

A: (a) Parallel combination with single supply voltage can only be reduced. In the given problem,…

Q: A resistor and a capacitor are connected in series to a source of emf. While the current is 0.3 A…

A: Given that, Resistance, R = 90 ohm Capacitance, C = 3μF Emf, ε=50 V When the capacitor charges,…

Q: In the circuit of the figure below, ℰ = 3.0 kV, C = 6.0 μF, R1 = R2 = R3 = 0.72 MΩ. With C…

Q: A capacitor charging circuit consists of a battery, an uncharged 20 uF capacitor, and a 5.6 kN…

A: Write the expression for the current through the charging capacitor. Here, Io represents the…

Q: A professor created the circuit shown in the figure for her lab. Assuming R-5100. find the following…

Q: young man owns a canister vacuum cleaner marked "535 W [at] 120 V" and a Volkswagen Beetle, which he…

A: Power , P = 535 W , Volt , V = 120 V Resistance of conductors in the extension cord , r = 0.9 Ω To…

Q: The figure below shows a capacitor, with capacitance C = 8.22 µF, and a resistor, with resistance R…

A: The capacitor is an electrical component that stores electric charge. An RC circuit has a Capacitor…

Q: Three resistors of values R, 2R and 3R are connected together in series and in parallel with a cell…

A: Three resistors: R, 2R and 3R. All of the resistors are connected in series with each other. This…

Q: Consider the circuit shown below, with a battery of emf E = 20. V, and resistors R1 = 2.0 Ω, R2 =…

A: Solution:-

Q: For the circuit shown in the figure, determine the magnitude of the currents I2, I3, and I4 passing…

A: Consider the following circuit diagram which represents the directions of the currents and EMFs of…

Q: In the circuit pictured, the resistors have values of R =170 N, R2 = 62 N, and R3 = 130 Q, and the…

A: Part A. Firstly equivalent resistance of the circuit will be calculated. R2 and R3 are connected in…

Q: The figure below shows a capacitor, with capacitance C = 7.22 PF, and a resistor, with resistance R…

Q: Three 100 Q resistors are connected as shown in the figure. The maximum power that can safely be…

A: Given values: Resistance, R=100 Ω Maximum power that can deliver to any one resistor, P1=22.0 W

Q: The emf in the figure below is 4.50 V. The resistances are R1 = 22.0 Ω, R2 = 26.5 Ω, and R3 = 38.5…

A: Given, Resistances,R1=22Ω, R2=26.5Ω,R3=38.5Ω Voltage of battery, V=4.5 V

Q: In the figure the ideal battery has emf g= 64 V. the resistances are R= 46 kQ and R2 = 11 kQ, and…

A: Given: Emf=E=64 V Resistances: R1=46 kΩR2=11 kΩ

Q: Two resistors of equal resistance R are connected in parallel across a cell with emf V. What is the…

A: Given : Two resistors of equal resistance R are connected in parallel across a cell with emf V.

Q: Use your data to come up with a mathematical expression which can be used to calculate the potential…

A: From the given data, A graph can be plotted with voltage on the x-axis and the current on the…

Q: An electrician wishes to cut a copper wire (ρ=1.72×10-8 Ωm) that has 10Ω of resistance. The wire has…

A: Ans:- Image-1

Q: The circuit shown below has a 15 V battery connected to two resistors in series with R1 = 50 2 and…

Q: You connect a battery, resistor, and capacitor as in the figure, where R = 16.0 Ω and C = 8.00 ×10−6…

A: a) The required emf of the battery is,

Q: ASSIGNMENT Two 1.50-V batteries are inserted in series into a flashlight. One battery has an…

A: From the diagram, the total emf of the battery is:

Q: The lightbulb in the circut diagram above has a resitance of 1.0 ohm. Consideter the potetial…

A: (A) Write the Ohm’s law.

Q: The circuit shown below has a 15 V battery connected to two resistors in series with R1 100 2 and R2…

Q: The emf of the battery in the circuit shown above is 10.0V, while the resistance of each resistor…

Q: a) A potentiometer consists of wire AB of length 100 cm and resistance 4.0 Q. A cell of emf 1.5 V…

Q: 3.50 A 4. In the circuit shown on the right, the rate at which R1 dissipating electrical energy is…

Q: In the circuit shown in the figure (Figure 1), the 6.0 N resistor is consuming energy at a rate of…

Q: 4. Two resistors are connected in parallel to a 220 V line. R1=50 ohms and R2=100 ohms. What is the…

Q: In the figure circuit section AB absorbs energy at a rate of 55 W when current i 0.90 A through it…

Q: In the figure R1 = 10.2 kO, R2 = 14.9 kQ, C = 0.397 µF, and the ideal battery has emf ɛ = 22.0 V.…

Q: In the following figure(Figure 1), the battery has negligible internal resistance and E EMF= 45.0 V.…

Q: Consider the following figure. Note: The currents are not necessarily in the direction shown.…

Concept explainers

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

Please answer part A and part B.

In the circuit shown in the figure . the 6.0 N resistor is consuming energy at a rate of 21.0 J/s when the current through it flows as shown.
20.0 1
170
E = ?
190
>6.0 2
20.0 1
25 V
3.0N
13 N
1.00
Part A
Find the current through the ammeter A.
ANSWER:
I =
A
Part B
What are the polarity and emf of the battery E, assuming it has negligible internal resistance?
ANSWER:
E =
V

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Trending now

This is a popular solution!

Step by step

Solved in 6 steps with 12 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

(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 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?
Integrated Concepts (a) What energy is dissipated by a lightning bolt having a 20,000-A current, a voltage of 1.00102 MV, and a length of 1.00 ms? (b) What mass of tree sap could be raised from 18.0°C to its boiling point and then evaporated by this energy, assuming sap has the same thermal characteristics as water?
The human body can exhibit a wide range of resistances to current depending on the path of the current, contact area, and sweatiness of the skin. Suppose the resistance across the chest from the left hand to the right hand is 1.0 106 . (a) How much voltage is required to cause possible heart fibrillation in a man, which corresponds to 500 mA of direct current? (b) Why should rubber-soled shoes and rubber gloves be worn when working around electricity?
A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.6 V when it is delivering 20.0 W of power to an external load resistor R. (a) What is the value of R? (b) What is the internal resistance of the battery?
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?
In the circuit of Figure P18.22, the current I1 is 3.0 A and the values of and R are unknown. What are the currents I2 and I3? Figure P18.22
Consider the circuit shown in Figure P28.21 on page 860. (a) Find the voltage across the 3.00-0 resistor, (b) Find the current in the 3.00-12 resistor.
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?
Integrated Concepts (a) Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0-V batteries of a 750-kg electric car be able to supply: (a) To accelerate from rest to 25.0 m/s in 1.00 min? (b) To climb a 2.00 102-m- high hill in 2.00 min at a constant 25.0-m/s speed while exerting 5.00 102 N of force to overcome air resistance and friction? (c) To travel at a constant 25.0-m/s speed, exerting a 5.00 102 N force to overcome air resistance and friction? See Figure 20.44.
A student makes a homemade resistor from a graphite pencil 5.00 cm long, where the graphite is 0.05 mm indiameter. The resistivity of the graphite is =1.38102/m . The homemade resistor is place inseries with a switch, a 10.00-mF capacitor and a 0.50-V power source, (a) What is the BC time constant of the circuit? (b) What is the potential drop across the pencil 1.00 s after the switch is closed?