Solution for Open-Response Homework 2 Simple Electric Devices and Processes
Solution to Open-Response Homework Problem 2.1(Charging a Leaf Electroscope by
Induction)
Problem: Copy the figures recorded in the boxes on page 12 of your lab manual. These figu
Solution for Open-Response Homework 9 Potential Difference
Solution to Open-Response Homework Problem 9.1(Potential DIfference for Planar
System)
Problem: A planar system is drawn below. There are three infinite planes of charge with charge density 2,
, a
Solution for Open-Response Homework 2 Simple Electric Devices and Processes
Solution to Open-Response Homework Problem 2.1(Charging a Leaf Electroscope by
Induction)
Problem: Copy the gures recorded in the boxes on page 12 of your lab manual. These gures
Solution for Open-Response Homework 7 Conductors and Dielectrics
Solution to Open-Response Homework Problem 7.1(Field Map with Conductor and
Dielectric)
Problem: Draw the eld map using 4 lines per Q if a conductor and a dielectric are in the electric eld
Solution for Open-Response Homework 5 Gauss Law
Solution to Open-Response Homework Problem 5.1(Two shell Gauss Law Problem)
Problem: A point charge with charge q is surrounded by two
thin shells of radius a and b which have surface charge density a
and b
Solution for Open-Response Homework 1 Electric Charge and Introduction to
Devices
Solution to Open-Response Homework Problem 1.1(Computing Total Charge from
Charge Density)
Problem: A solid, insulating sphere has a radius of 15cm.
(a)If it carries a unifo
Solution for Multiple-Choice Homework 2 Simple Electric Devices and Processes
Solution to Multiple-Choice Homework Problem 2.1(Relative Strength of Electric and
Gravitational Forces)
Problem: Compare the strength of electric force a proton exerts on an el
Solution for Open-Response Homework 4 Adding Electric Fields and Field Maps
Solution to Open-Response Homework Problem 4.1(Adding the Fields of Line Charges)
Problem: Two innite line charges have linear charge density
3.0C/m. One line charge runs parallel
Solution for Multiple-Choice Homework 3 Beginning Electric Fields
Solution to Multiple-Choice Homework Problem 3.1(The Magnitude of the Force on
a Point Charge Due to an Electric Field)
Problem: An object with charge q1 = +Q is placed at point P in an ele
Solution for Open-Response Homework 3 Electric Field
Solution to Open-Response Homework Problem 3.1(Arrow Diagram for Force Function)
Problem: For some conguration of charge, the electric force on
a positive charge is F (x) = |x|, where is a constant. Dra
Solution for Multiple-Choice Homework 1 Electric Charge and Introduction to
Devices
Solution to Multiple-Choice Homework Problem 1.1(Process of Charging One Object
With Another)
Problem: A conducting sphere with a negative net charge is used to charge a n
Solution for Open-Response Homework 10 Capacitance
Solution to Open-Response Homework Problem 10.1(Parallel Plate Capacitor with
Two Dielectrics)
Problem: A square parallel plate capacitor with plate area A =
100cm2 has plate separation = 3mm. The airspac
Solution for Multiple-Choice Homework 13 Exam Review - Required
Solution to Multiple-Choice Homework Problem 13.1(Non-Uniform Spherical System)
Problem: A spherical system of charge has NON-UNIFORM volume charge density
= 2 cos(r)
r
and occupies the regi
Solution for Multiple-Choice Homework 9 Potential Dierence
Solution to Multiple-Choice Homework Problem 9.1(Velocity of Electron Escaping
Hydrogen)
Problem: An electron and a proton are on average 51011 m apart in a hydrogen atom. Suppose (disastrously)
t
Solution for Multiple-Choice Homework 14 Introduction to Magnetic Fields
Solution to Multiple-Choice Homework Problem 14.1(Magnetic Field of Long Wire)
Problem: A long wire has a current of 6A owing through it. What is the magnetic eld produced by this wi
Solution for Open-Response Homework 12 Kirchhoffs Laws
Solution to Open-Response Homework Problem 12.1(Another Weird Kirchhoff Problem)
Problem: Consider the circuit below. All batteries have potential difference Vbatt . Use R1 , R2 , etc. for the
resista
Solution for Open-Response Homework 8 Electric Fields of Conductors and
Dielectrics
Solution to Open-Response Homework Problem 8.1(Charged Conducting Sphere in an
Neutral Conducting Shell)
Problem: A conducting sphere with Q = 2.5C and radius
a = 30.0cm i
Solution for Open-Response Homework 11 Beginning Circuits
Solution to Open-Response Homework Problem 11.1(Garbage Disposal Hook-up)
Problem: When the plumber arrived to install our new garbage
disposal, he couldnt figure out how to wire it properly and I
Solution for Multiple-Choice Homework 4 Adding Electric Fields and Field Maps
Solution to Multiple-Choice Homework Problem 4.1(Charge in Region from Field Map)
Problem: A eld map is shown to the right, the dashed region
contains a distribution of charge.
Solution for Multiple-Choice Homework 15 Adding Magnetic Fields and
Amperes Law
Solution to Multiple-Choice Homework Problem 15.1(Amperes Law - Total Current
Encircled for General Path)
Problem: The gure to the right shows three wires either carrying curr
Solution for Multiple-Choice Homework 8 Computing the Fields of Conductors
and Dielectrics
Solution to Multiple-Choice Homework Problem 8.1(Why Zero Force in Conductor?)
Problem: A short time after a conductor is placed in an external electric eld the net
Solution for Open-Response Homework 19 RL Circuits and Displacement
Current
Solution to Open-Response Homework Problem 19.1(Decay Plot for LR Circuit)
Problem: An inductor discharges through an 1 resistor. You measure the following potential difference ac
Solution for Open-Response Homework 15 Adding Magnetic Fields
Solution to Open-Response Homework Problem 15.1(Magnetic Field of Thin Loop)
Problem: The figure below shows a long thin rectangular loop of wire. The loop has one turn. The loop is
L = 50cm lo
Solution for Multiple-Choice Homework 6 Exam Review - Required
Solution to Multiple-Choice Homework Problem 6.1(Two Plane Gauss Law Problem)
Problem: Two innite planes of charge are shown to the right.
They have charge densities +2 and 4 as shown. Calcula
Solution for Open-Response Homework 4 Adding Electric Fields and Field Maps
Solution to Open-Response Homework Problem 4.1(Four Charges in a Square)
Problem: For the system of charges at the right:
(a)On a separate sheet of paper draw the field map of the
Solution for Open-Response Homework 23 Optical Systems
Solution to Open-Response Homework Problem 23.1(Two Convex Lens Optical System)
Problem: An optical device is made up of two thin lenses a distance 5cm apart. An object is located a distance
1.5cm fro
Solution for Open-Response Homework 18 Inductance
Solution to Open-Response Homework Problem 18.1(Mutual Inductance of Two Solenoids)
Problem: Consider a large solenoid with parameters turns NL ,
radius RL , and length LL . The solenoid carries a current
Solution for Open-Response Homework 6 Review for Exam 1 (Required but not
Collected) - Multiple-Choice Part is Required
Solution to Open-Response Homework Problem 6.1(Solution to Problem 3.28)
Problem: In charging by induction, the order you move things i
Solution for Open-Response Homework 16 Magnetic Force and Field
Solution to Open-Response Homework Problem 16.1(Solenoid Lifting Wire)
Problem: The figure to the right shows a cross-section of a
solenoid. The current in the solenoid flows into the page at
Solution for Open-Response Homework 13 Review for Exam 2 (Required but
not Collected)
Solution to Open-Response Homework Problem 13.1(Velocity Far from Two Point
Charges)
Problem: Two 3C charges, q1 and q2 , are at x1 = 0 and x2 = 10cm along the x-axis. T