Problem Assignments for
"Electricity, Magnetism, and Thermodynamics"

Oberlin College Physics 111

Spring 2024

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 6 May 2024.

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Assignment 1 (Due Wednesday, 14 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, 21 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 satellite

Assignment 3 (Due Wednesday, 28 February.)

Model Solutions 3:

• Electric potential due to a washer
• Electric potential due to a quarter disk
• Electric potential energy
• A conductor with a cavity enclosing a charge
• Capacitance for carpenters
• Force between capacitor plates

Assignment 4 (Sample exam for the exam on Wednesday, 6 March.)

Model solutions for the exam

Assignment 5 (Due Wednesday, 13 March.)

Model Solutions 5:

• Electric fields and charges in resistors
• Automobile gas gauge
• A circuit with two batteries
• A circuit with four resistors
• A circuit with five resistors
• Resistors in parallel

Assignment 6 (Due Wednesday, 20 March.)

Model Solutions 6:

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

SPRING BREAK

Assignment 7 (Due Wednesday, 3 April.)

Model Solutions 7:

• The essence of induced electric field
• Alternating current generator
• Primitive motor revisited

Assignment 8 (Due Wednesday, 10 April.)

Model Solutions 8:

• Induced electric field in a huge magnet
• Inductors in series
• Inductor in a circuit

Assignment 9 (Due Wednesday, 17 April.)

Model Solutions 9:

• Parallel RC circuit
• Width of a resonance curve
• Experimental detection of the Maxwell term

Assignment 10 (Sample exam for the exam on Wednesday, 24 April.)

Model solutions for the exam

Detailed model solutions for network circuit problem

Model solutions for the makeup exam

Assignment 11 (Due Wednesday, 1 May.)

Model Solutions 11:

• How does i²R heating power get to a resistor?
• Sandstone quarry
• True love

Assignment 12 (Due Wednesday, 8 May.)

Model Solutions 12:

• Open the stopcock
• Change in a cycle

Final Exam Information (Includes a sample exam for the final exam given 9:00 -- 11:00 am on Thursday, 16 May.)