Answered: a. What is the equivalent resistance…

a. What is the equivalent resistance between points a and b? b. Suppose a 12.0 V battery is connected between a and b. What's the current through the 40.0 N resistor? a R R 120 N 40.0 N 5.00 N b .

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 28.73AP: A regular tetrahedron is a pyramid with a triangular base and triangular sides as shown in Figure...

See similar textbooks

Related questions

Q: Now Spiderman is swinging from a web and Electro sends a current down the web to shock him. If the…

A: Data Given, Voltage ( V ) = 150000 V Current ( I ) = 0.50 A We have to find out Resistance = R &…

Q: (a) What is the resistance of a 1.00 × 102 -Ω , a 2.50-kΩ , and a 4.00-kΩ resistor connected in…

Q: (a) What is the resistance of a 1.00×102 -Ω , a 2.50-kΩ , and a 4.00-k Ω resistor connected in…

A: For series connection , Rnet=R1+R2+R3 =1x1021000+2.50+4.0 =0.1+2.5+4.0 =6.6kΩ

Q: An electrical cable is made up of 170 tiny wire filaments, each of which has a resistance of 3μΩ. An…

Q: A typical cellular phone consumes an average of about 1.10 W of electrical power and operates on…

Q: a) What is the equivalent resistance between the point A and B? b) What is the potential drop…

Q: (a) A potential difference of 12 V is applied to a 250@Ω resistor. How much current flowsthrough the…

A: Solution:- a) As per ohm's law, V = IR, I = V/R and R = V/I. Where I is amperes. So you have the…

Q: An electrical device with a potential difference of 15 V across its ends provides energy at a rate…

A: Given data: Potential difference (V) = 15 V Power (P) = 723 W Required: Resistance (R) and current…

Q: A typical cellular phone consumes an average of about 1.32 W of electrical power and operates on…

A: Given data: The average power consumed by the cellular phone is, P =1.32 W The voltage required is,…

Q: (a) What is the resistance of a 1.00×102 -Ω, a 2.50-kΩ , and a 4.00-k Ω resistor connected in…

A: (a) R1 =100 Ω, R2 = 250 Ω, R3 = 400 Ω When they are connected in series, the equivalent resistance…

Q: A flashlight uses batteries that add up to 4.5 V and has a power output of 0.55 W. (a) How much…

A: P=I2RI=PR=0.55 W4.5 V=0.35 A

Q: W lamp is connected to 125 V. a). What is the current through the lamp? b). What is the resistance…

A: GivenPower of lamp, P=100 WVoltage, V=125 V

Q: A laptop battery has an emf of 10.8 V. The laptop uses 0.70 A while running.a. How much charge moves…

A: The current I is defined as the charge flowing through a conductor per second, i.e, Here q is the…

Q: The human body can exhibit a wide range of resistances to current depending on the path of the…

A: Current electricity is the flow of electrons in a conductor. The potential generated when a current…

Q: A 24 volt battery is connected to a light bulb that has a resistance of 30Ω. a. How much current…

A: Given data: Voltage (V) = 24 V Resistance (R) = 30 Ω Charge (Q) = 100 C Required: Current (I) and…

Q: a. What is the resistance of a 1500 W (120 V) hair dryer?b. What is the current in the hair dryer…

Q: Two lightbulbs are each connected to a voltage of 120 V. One hasa power of 25 W, the other 100 W.…

A: (a) Resistance calculation

Q: (a) What is the resistance of a 390 Ω, a 2.50 kΩ, and a 3.85 kΩ resistor connected in series? (b)…

Q: A lamp (R, = 151 Q), an electric heater (R, = 23 Q), and a fan (R, = 51 Q) are connected in parallel…

Q: 04a. A 41 Q resistor and a 71 Q resistor, are connected in parallel and are attached to 27.1 V…

A: Given : Let resistance R1 = 41 Ω and R2 = 71 Ω Potential difference V = 27.1 Volt

Q: 12.5 C of charge flows through a 5 k Ω resistor in 8 minutes. (a) what is the electric current that…

A: Given: charge q = 12.5 C resistance R = 5k ohms = 5*103 ohms time t = 8 minutes=8*60 =480 seconds…

Q: A 9.0 V battery supplies a 2.5 mA current to a circuit for 5.0 h. a. How much charge has been…

A: a) If q amount of charge is transferred from the negative to the positive terminal within time t…

Q: A flashlight uses batteries that add up to 1.5 V and has a power output of 0.51 W. (a) How much…

A: Given data: Power (P) = 0.51 W Voltage (V) = 1.5 V Need to determine the current and effective…

Q: (a) What will happen to the material’s resistivity if the resistance is increased? (b) What will…

A: Concept Resistivity is dependent only on the composition of the material and the temperature.

Q: Part A: What is the magnitude of the current in the 11 Ω resistor in (Figure 1)? Part B: What is the…

A: Given:Resistance of the circuit, R = 11 ohm

Q: A flashlight uses batteries that add up to 4.5 V and has a power output of 0.39 W. (a) How much…

Q: (a) What is the resistance of a 375 L2, a 2.50 ks2, and a 3.90 ks2 resis connected in series? Ω (b)…

Q: (a) A lightbulb has a resistance of 230 N when operating with a potential difference of 140 V across…

Q: A resistor with a 15.0 V potential difference across its ends develops thermal energy at a rate of…

A: Solution: V = 15 volts P = 327 W a) we know that P = V2 / R R = V2 / P R =152 / 327 R = 0.688 ohm…

Q: I How many electrons pass through an electric bulb in one minute if the 300 mA current is passing…

Q: a) what is the electric field in the wire? b) using the Ohms law what is the wire resistance R? c)…

A: Given data: The electron density is: n=7×1028 e/m3=7×1028×1.6×10-19 C/m3 The drift speed of the…

Q: If a 1500-W hair dryer is connected to a 120-V line. What is the maximum current drawn? I = What is…

A: Electric power is given by P = I×V And by Ohm's law, V = IR

Q: A typical cellular phone consumes an average of about 1.60 W of electrical power and operates on…

A: SOlution: Given that P = 1.6 WV = 3.8 V

Q: A hair dryer draws 13.5 A when plugged into a 120-V line. (a) What is its resistance? (b) How much…

A: A hair dryer draws 13.5 A when plugged into a 120-V line And, Time period, t=15 min

Q: A 520-Ω resistor is connected to a variable-voltage power supply. (a) What voltage is necessary to…

Q: A 9.0 V battery supplies a 1.5 mA current to a circuit for 5.0 h.(a) How much charge has been…

A: Given : V = 9.0 V I = 15 mA = 0.0015 A t = 5.0 h = 5 x 3600 = 18000 seconds

Q: A 660-S2 resistör is (a) What voltage is necessary to cause a current of 0.7 A in the resistor? (b)…

A: Resistance, R = 660 Ω a. Current, I = 0.7 AVoltage, V = ? b. Voltage, V = 19 VCurrent, I = ?

Q: (a) What is the resistance of a 135 N, a 2.50 k2, and a 4.25 k2 resistor connected in series? Ω (b)…

Q: In the filament of a certain light bulb, The amount of charge that passes through it is 3.265 C in 2…

A: Current is defined as the rate of flow of charge, if a total charge, 'q' is flowed in time 't', then…

Q: a) A lightbulb has a resistance of 150 Ω when operating with a potential difference of 160 V across…

A: part a resistance of bulb( R )=150 Ω potential difference ( v )= 160 V V=IR I=V/R I=160/150…

Q: Two resistors with values of 24 Ω and 26 Ω, respectively, are connected in series and hooked to a 12…

Q: A 9.0 V battery supplies a 2.5 mA current to a circuit for 5.0 h.a. How much charge has been…

A: Given data The potential difference of the battery is Vo=9.0 V The current is Io=2.5 mA The time is…

Q: A typical cellular phone consumes an average of about 1.26 W of electrical power and operates on…

Question

In shown circuit, the resistors, R are identical and R = 35.0 Ω.

a. What is the equivalent resistance between points a and b?
b. Suppose a 12.0 V battery is connected between a and b. What's the current through the 40.0 0
resistor?
a
R
R
120 N
40.0 N
5.00 N
b•

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

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

Unreasonable Results (a) What current is needed to transmit 1.00 102 MW of power at 10.0kV? (b) Find the resistance of 1.00 km of wire that would cause a 0.0100% power loss. (c) What is the diameter of a 1.00-km-long copper wire having this resistance? (d) What is unreasonable about these results? (e) Which assumptions are unreasonable, or which premises are inconsistent?
A regular tetrahedron is a pyramid with a triangular base and triangular sides as shown in Figure P28.73. Imagine the six straight lines in Figure P28.73 are each 10.0- resistors, with junctions at the four vertices. A 12.0-V battery is connected to any two of the vertices. Find (a) the equivalent resistance of the tetrahedron between these vertices and (b) the current in the batten.
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?
Unreasonable Results (a) To what temperature must you raise a resistor made of constantan to double its resistance, assuming a constant temperature coefficient of resistivity? (b) To cut it in half? (c) What is unreasonable about these results? (d) Which assumptions are unreasonable, or which premises are inconsistent?
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) A defibrillator sends a 6.00-A current through the chest of a patient by applying a 10,000-V potential as in the figure below. What is the resistance of the path? (b) The defibrillator paddles make contact with the patient through a conducting gel that greatly reduces the path resistance. Discuss the difficulties that would ensue if a larger voltage were used to produce the same current through the patient, but with the path having perhaps 50 times the resistance. (Hint: The current must be about the same, so a higher voltage would imply greater power. Use this equation for power: P=I2 RP = .)
Four resistors are connected to a battery as shown in Figure P27.15. (a) Determine the potential difference across each resistor in terms of . (b) Determine the current in each resistor in terms of I. (c) What If? If R3 is increased, explain what happens to the current in each of the resistors. (d) In the limit that R3 , what are the new values of the current in each resistor in terms of I, the original current in the battery? Figure P27.15
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?
1. An isolated parallel-plate capacitor has an inital capacitance of 400nF and a charge of 5uC. Find the potential energy if the stored charge is doubled. A. - 125uJ B. 125uJ C. 93.8uJ D. 31.3uJ 2. With the following statements regarding resistivity and conductivity of a thing, which is/are ALWAYS TRUE? I. Resistivity of a thing is temperature-dependent. II. Conductivity of a thing is temperature-dependent. III. When resistivity of a material increases, then there is a decrease in conductivity. Please answer both question for a 100% rating.
Three resistors R1 = 87.6 Ω, R2 = 23.6 Ω, R3 = 70.0 Ω, and two batteries 1 = 40.0 V, and 2 = 359 V are connected as shown in the diagram below. (a) What current flows through R1, R2, and R3? (b) What is the absolute value of the potential difference across R1, R2, and R3?
Integrated Concepts(a) What is the average power output of a heart defibrillator that dissipates 400 J of energy in 10.0 ms? (b) Considering the high-power output, why doesn’t the defibrillator produce serious burns?
A standard flashlight battery can deliver about 4.9 W·h of energy before it runs down. (a) If a battery costs 80 cents, what is the cost in dollars of operating a 100 W lamp for 9.0 h using batteries? (b) What is the cost in dollars if power is provided at the rate of 6.0 cents per kilowatt-hour?