Problem Assignments for
"Electricity, Magnetism, and Thermodynamics"

Oberlin College Physics 111

Spring 2009

This World Wide Web page written by Dan Styer, Oberlin College Department of Physics and Astronomy ;
http://www.oberlin.edu/physics/dstyer/P111/Assignments/assignments.html;
last updated 22 April 2009.

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Assignment 1 (Due Wednesday, 11 February.)

Model Solutions 1:

• Using Coulomb's law
• Hanging charges
• Estimating charges and forces
• Electric field due to two charges
• Clock of charge
• Rod of charge

Assignment 2 (Due Wednesday, 18 February.)

Model Solutions 2:

• Flux in the Earth's atmosphere
• Field due to a pipe of charge
• Hanging from a charged wall
• The thick shell of charge
• Sphere of charge with a spherical cavity
• Charge collected by a space shuttle
• Electric potential due to a quarter disk
• Electric potential due to a washer

Assignment 3 (Sample exam for the exam on Wednesday, 25 February.)

Assignment 4 (Due Wednesday, 4 March.)

Model Solutions 4:

• Electric potential energy
• A conductor with a cavity enclosing a charge
• Capacitance for carpenters
• Force between capacitor plates
• Electric fields and charges in resistors

Assignment 5 (Sample exam for the exam on Wednesday, 11 March.)

Assignment 6 (Due Wednesday, 18 March 2008.)

Model Solutions 6:

• Automobile gas gauge
• A circuit with two batteries
• A circuit with four resistors
• A circuit with five resistors
• Resistors in parallel
• Resistance measurement
• Television

Assignment 7 (Due Wednesday, 1 April.)

Model Solutions 7:

• An application for RC circuits
• Protective shield against charged bullets
• Primitive motor
• An island in the stream
• The thick pipe of current
• Infinite sheet of current

Assignment 8 (Due Wednesday, 8 April.)

Model Solutions 8:

• The essence of induced electric field
• Alternating current generator
• Primitive motor revisited
• Induced electric field in a huge magnet
• Inductors in series
• Inductor in a circuit

Assignment 9 (Sample exam for the exam on Wednesday, 15 April.)

Assignment 10 (Due Wednesday, 22 April.)

Model Solutions 10:

• Parallel RC circuit
• Width of a resonance curve
• Experimental detection of the Maxwell term
• How does i²R heating power get to a resistor?

Assignment 11 (Due Wednesday, 29 April.)

Model Solutions 11:

• Problems about fluids
• Problems about heat absorption

Assignment 12 (Due Wednesday, 6 May.)

Model Solutions 12:

• Problems about work
• Open the stopcock
• Problems about entropy

Final Exam Information (Includes a sample exam for the final exam given 9:00 -- 11:00 am on Thursday, 14 May.)