To carry how much charge between two points having potential difference equal to 220 V, 1760 J of work is done? Ans.8 C The EMF of a cell falls from 3 volts to 2.8 when its terminals are joined to an electric load of 4 Ohms. Calculate the internal resistance of the cell.

To carry how much charge between two points having potential difference equal to 220 V, 1760 J of work is done? Ans.8 C The EMF of a cell falls from 3 volts to 2.8 when its terminals are joined to an electric load of 4 Ohms. Calculate the internal resistance of the cell.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 36P: If electrical energy costs 0.12 per kilowatt-hour, how much does it cost to (a) burn a 100-W...

See similar textbooks

Related questions

Q: A solar cell generates a potential difference of 0.10 V when a 500ohm resistor is connected across…

A: When the resistance R is in the circuit, the emf is Using ohm’s law, Thus, the equation for the…

Q: Two 1.50-V batteries—with their positive terminals in the same direction—are inserted in series into…

A: Given : ε1 = ε2 = 1.50 V r1 = 0.255 Ω r2 = 0.153 Ω I = 600 mA = 0.6 A

Q: A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains 5.8 x 1028…

Q: Silver is composed of 5.8 x 1028 free electrons per cubic meter. If a silver wire with a diameter of…

Q: 1. Suppose you wish to fabricate a uniform wire out of 1.05 g of copper. If the wire is to have a…

A: Solution-1

Q: A 898 W heating unit is designed to operate with an applied potential difference of 119 V. (a) By…

Q: Need help solving these problems!

A: Given:- 1a)current = o.7 A time = 1 min. Now, charge (q)= 42C

Q: A wire of length L and cross-sectional area A has a resistivity p. Which of the following formulas…

A: Given length of the wire 'L' Cross sectional area is given by'A' Resistivity is given by 'p' Let the…

Q: A 120 V potential difference is applied to a space heater whose resistance is 19Q when hot. (a) At…

Q: 1.00 M2 A conducting sphere is charged by an emf source & through a 1.00 MQ resistor. When the…

A: Given Resistance is R=1.00×106 Ω Charge is Q=1.00×10-6 C Current is I=1×10-3 A Permittivity of free…

Q: A tungsten wire is 28m long and is used in a toaster at 120V. The resistivity of this material is…

Q: A 120 V potential difference is applied to a space heater whose resistance is 17 Q when hot. (a) At…

Q: A 30.0 m long extension cord is made from two #19 gauge copper wires. (a) What is the resistance of…

Q: A cylindrical conductor has resistance R0=40 ohms. If we decrease the radius of the conductor by a…

A: Given: The resistance of the conductor is 40 Ω. The voltage of the battery is 12 V. The internal…

Q: A heart defibrillator passes 10.0 A through a patient's torso for 5.00 ms in an attempt to restore…

Q: PROBLEM 1: A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains…

A: Given that, Diameter of wire = 2.6 mm Charge = 420 C Time = 80 min Number of electron = 5.8×1028

Q: CB Vcase=? www /=? 5 mA (a) What is the voltage (in V) on the case if 5.00 mA flows through the…

Q: 1. A capacitor is charged to a potential of 12.0 V and then connected to a voltmeter having an…

A: Given Data :- The initial potential of the capacitor is Vi = 12.0 V. The internal resistance of the…

Q: (a) What is the hot resistance of a 28.0o w light bulb with a tungsten filament that runs on 120 V…

Q: A heart defibrillator passes 12.2 A through a patient's torso for 5.00 ms in an attempt to restore…

A: Given thatI=12.2A, t=5ms

Q: What are the expected readings of the following in the figure below? (R = 9.30 N, AV = 6.20 V) R Δν…

Q: A lamp in a child's Halloween costume flashes based on an RC discharge of a capacitor through its…

A: Given : t = 0.250 s P = 0.520 W V = 3 V

Q: A wire of length L and cross-sectional area A has a resistivity p. Which of the following formulas…

Q: A 120 V potential difference is applied to a space heater whose resistance is 13Q when hot. (a) At…

Q: 1. Consider a cylindrical wire that has conduction electron density 6.0 x 1028 and radius 0.5 mm. An…

A: The average velocity obtained by charged particles (e.g. electrons) in a material owing to an…

Q: Lightbulb A is marked "75.0 W 120 V," and lightbulb B is marked "100W 120 V." These labels mean that…

A: According to guidelines we need to solve only first three sub-part kindly repost other parts in the…

Q: What is the resistance of Part A A 2.0-m-long gold wire that is 0.10 mm in diameter? Express your…

Q: The potential difference across the terminals of a battery is 20.0 V when the circuit is open. When…

Q: Two 1.50-V batteries—with their positive terminals in the same direction—are inserted in series into…

A: Total emf for the circuit can be obtained as The total internal resistance of the circuit can be…

Q: You charge an initially uncharged 83.3 mF capacitor through a 29.7 2 resistor by means of a 9.00 V…

Q: One lightbulb is marked "25 W 120 V,' and another '100 W 120 V"; this means that each bulb has its…

A: (a)

Q: A circuit with a resistance R = 88 Ω is connected to a battery with potential difference across the…

A: Given= R=88 Ω ΔV = 6.5 V. According to ohm's law: V=IR I=VR=6.588=0.07386 A

Q: A student set up the circuit shown for her electronics class. Assuming E = 7.50 V and R = 6.00 Ω,…

A: Given Data: The value of emf is, ε=7.50 V The resistance is, R=6.00 Ω Part (a): By using…

Q: An electric clothes dryer has a heating element with a resistance of 8.6 2. (a) What is the current…

A: Resistance of the heating element is R=8.6 Ω Voltage is V = 240 V Current (I) in the element is…

Q: A 30.0 m long extension cord is made from two #19 gauge copper wires. (a) What is the resistance of…

Q: (a)What is the terminal voltage (in V) of a large 1.40 V carbon-zinc dry cell used in a physics lab…

Q: Unms of resistance, Find the current when the heater is operated with standard household voltage of…

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: 2. A cylindrical metal rod is 1.90 m long and 5.50 mm in diameter. The resistance between its two…

Q: (a) Of what material is a wire made, if it is 30.0 m long with a 0.130 mm diameter and has a…

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

Q: A carbon resistor at room temperature (20 °C) is attached to a 9.00-V battery and the current…

A: Given data The initial temperature is T1=20oC The potential difference of the battery is Vo=9.00 V…

Q: The potential difference across the terminals of a battery is 20.0 V when the circuit is open. When…

A: Given: Potential difference across the battery ε=20.0 V Current i = 2.0 A voltage of battery drops…

Q: Find the current in a 15.00 n resistor connected to a battery that has an internal resistance of…

Question

To carry how much charge between two points having potential difference equal to 220 V, 1760 J of work is done? Ans.8 C
The EMF of a cell falls from 3 volts to 2.8 when its terminals are joined to an electric load of 4 Ohms. Calculate the internal resistance of the cell.

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

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 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

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.
Consider the circuit below. The battery has an emf of = 30.00 V and an internal resistance of r = 1,00 . (a) Find the equivalent resistance of the circuit and the current out of the battery. (b) Find the current through each resistor, (c) Find die potential drop across each resistor, (d) Find the power dissipated by each resistor, (e) Find the total power supplied by the batteries.
The emf of a battery is 12.0 volts. When the battery delivers a current of 0.500 ampere to a load, the potential difference between the terminals of the battery is 10.0 volts. What is the internal resistance of the battery?
What is the output voltage of a 3.00-V lithium cell in a digital wristwatch that draws 0.660 mA, if the cell's internal resistance is 2.15 Ω? (Enter your answer to at least five significant figures.)V
The compressor on an air conditioner draws89.6 A when it starts up. The start-up time isabout 0.282 s.How much charge passes a cross-sectionalarea of the circuit in this time?Answer in units of C.
What is the internal resistance of an automobile battery that has an emf of 12.0 V and a terminal voltage of 15.0 V while a current of 8.00 A is charging it?
When a 1.50V battery is shorted by a copper wire whose resistance can be ignored, the current through the copper wire is 1.53 A. What is the internal resistance of the battery (in Ω)?
The tungsten filament of a lightbulb has a resistance of 0.07 Ω. Ifthe filament is 27 cm long, what is its diameter?
The potential difference across a resting neuron in thehuman body is about 75.0 mV and carries a current of about0.200 mA. How much power does the neuron release?
In a tDCS treatment procedure, 0.85 mA of current flows through a patient’s brain when there is a 7.4-V potential difference between the electrodes. Whatis the equivalent resistance between the electrodes?
A tungsten filament has a resistance of 133 Ω at 1500C. If the temperature coefficient of resistance at 00C of tungstenis 0.0045/C0, what would be the resistance of the filament at 5000C?
consider a portable electric blanket that runs on a 4,5 V battery. ıf you use copper wire with a 0,75 mm diameteras the heating element, how long should the wire be (in units of meters) if you want to generate 20 W of heating power ?(take the resistivity of the copper wire as p = 1,7 * 10-8 ohm*m)