Magnetic Field from Two Wires
Learning Goal: To understand how to use the principle of superposition in conjunction with the Biot-Savart (or Ampere's) law. From the Biot-Savart law, it can be calculated that the magnitude of the magnetic field due to a lo
Jumper Cables and Ohm's Law
Learning Goal: To learn to apply the concept of current density and microscopic Ohm's law.
A "gauge 8" jumper cable has a diameter amperes. The electric field of 0.326 centimeters. The cable carries a current of 30.0
in the ca
Homework chapters 25 and 26
Note: You will receive no credit for late submissions. To learn more, read your instructor's Grading Policy [Switch to Standard Assignment View]
Current in an Ionic Solution
Current passes through a solution of sodium chloride.
Capacitors in Series
Learning Goal: To understand how to calculate capacitance, voltage, and charge for a combination of capacitors connected in series. Consider the combination of capacitors shown in the figure.
Three capacitors are connected to each oth
Brightness of Light Bulbs Ranking Task
Part A Consider a circuit containing five identical light bulbs and an ideal battery. Assume that the resistance of each light bulb remains constant. Rank the bulbs (A through E) based on their brightness. Hint A.1 H
Problem 26.34
Determine the magnitudes and directions of the currents in each resistor shown in the figure. The batteries have emfs of values of = 15 , = 40 , and = 8.3 = 40 and . = 11.8 and the resistors have
Part A Ignore internal resistance of the batt
Problem 26.18
Part A Determine the equivalent resistance of the "ladder" of equal 130- resistors shown in the figure. In other words, what resistance would an ohmmeter read if connected
between points A and B?
Express your answer with the appropriate unit
Problem 25.74
Suppose a current is given by the equation and in seconds. Part A What is the frequency? ANSWER: = , where is in amperes
38. 2
Cor rect
Part B What is the rms value of the current? ANSWER: =
1.0 6
Corr ect
Part C If this is the current throu
Introduction to Capacitance
Learning Goal: To understand the meaning of capacitance and ways of calculating capacitance
When a positive charge is placed on a conductor that is insulated from ground, an electric field
emanates from the conductor to ground,
Equipotential Surfaces in a Capacitor
Part A Is the electric potential energy of a particle with charge the same at all points on an equipotential surface? Hint A.1 Formula for electric potential energy
Hint not displayed
ANSWER:
Cor rect
For a particle
Equivalent Capacitance
Consider the combination of capacitors shown in the diagram, where = 11.0 , = 3.00 , and = 5.00 . = 3.00 ,
Part A Find the equivalent capacitance Hint A.1 of the network of capacitors. How to reduce the network of capacitors
Hint no
Problem 24.48
A 1.80 capacitor is charged by a 30.0 battery. It is disconnected from the battery capacitor (see the and then connected to an uncharged 8.00
figure ). Part A Determine the total stored energy before the two capacitors are connected. ANSWER:
Problem 23.34
Three point charges are arranged at the corners of a square of side as shown in the figure.
Part A What is the potential at the fourth corner (point A), taking
Give your answer in terms of , , and appropriate constants.
at a great distance?
Potential Difference and Electric-Field Energy of a Spherical Capacitor
A spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. The inner sphere has radius 10.0 centimeters, and the separation between the sphe
Homework chapters 23
Note: You will receive no credit for late submissions. To learn more, read your instructor's Grading Policy [Switch to Standard Assignment View]
Electric Potential Energy versus Electric Potential
Learning Goal: To understand the rela
Electric Potential Ranking Task
In the figure there are two point charges, and . There are also six positions, labeled A through F, at various distances from the two point charges. You will be asked about the electric potential at the different points (A
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th
[Switch to Standard Assignment View]
Problem 2.1
Two wrenches are used to tighten the pipe. The pipe is made from a material
having an allowable shear stress of
90
diameter of 25
and inner diameter of 20
.
Part A
Determine the allowable maximum force
. Th