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 10 April 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.)

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.)

Assignment 11 (Due Wednesday, 1 May.)

Model Solutions 11:

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

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