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Homework Problems Physics 132: Section 8

Page history last edited by Joe Redish 4 months, 3 weeks ago

NEXUS/Physics > InstructorsHomePage > The Problem Collection

 

 

Homework Problems:

 

Interpretation of Problem Classification Icons

 

 

 

 

8 Electricity

8.1 The electric field

Problem name  Type  Features  Threads  Use 
1. What's a field    
2. Charge on a neuron {*}    
3. The infinite sheet model       
4. The Faraday {*}       
5. Dimensional analysis and electric fields {*}        
         

8.2 The electric potential

Problem name  Type  Features  Threads  Use 
1. Charges, fields, and potentials - simulation  {*}
       
2. The big square: Connecting forces, fields, potential, and electric potential energy      
3. The size of an oil drop {*}      
4. Orienteering in an electric potential {*}    
5. Field and potential near points and sheets {*}    
6. The Millikan oil drop experiment (also 4.2.4.P15)        
7. DImensions of electric quantities {*}        
8. Electric field and potential from 4 charges {*}        
9. Potential in a crystal         
10. Potential near a long molecule {*}        
11. Potential near a dipole {*        
12. Charges near the origin {*        
13. Details on dipoles {*}        
14. Electric potential from a water molecule {*        
         

8.3 Electricity in matter 

Problem name  Type  Features  Threads  Use 
1. Electric potential in a cell membrane {*}
   
2. Counting charges on a cell membrane {*}      
3. Electrophoresis       
4. Shielding DNA {*}        
5. Salting out and denaturing DNA     
6. Debye length change {*}    
7. Nernst potential essay {*}    
8. Fields in a membrane       
9. Nernst potential toy model {*}    
10. Why Debye        
11. Electric fields in solution {*}         
         

8.4 Capacitance

Problem name  Type  Features  Threads  Use 
1. Capacitance in nerve cells {*}      
2. Fields in a capacitor {*}      
3. The power of a nerve {*}    
4. Comparing capacitors {*}        
4A. Comparing capacitors 2 {*}        
4B. Comparing capacitors 3 {*}        
5. Capacitors in series and parallel {*}      
6. The energy stored in a capacitor {*      
6A. The energy stored in a capacitor-short {*}
 
   
7. Stuffing a capacitor {*}      
8. Capacitance dimensions {*}  
9. Capacitance of a membrane         
         
         

8.5 Electric currents

Problem name  Type  Features  Threads  Use 

1. Tracking round a circuit {*}

1.A Tracking round a circuit 2 {*}

     
2. Lots of batteries and a bulb {*}        
3. Both ions moving {*}        
4. Modeling a nerve membrane {*}        
5. Cell membrane model {*}        
6. Constant current source {*}        
7. A battery and two bulbs {*}        

8. A. A battery and four bulbs {*}

    B. A battery and four bulbs - elaborate {*}

       
9. The resistance of a pocket calculator {*}      
10. What happens to the bulbs        
11. Ammeters and voltmeters {*}        
12. Solar power for your house       
13. Using Kirchhoff's laws {*}        
14. Thinking about an ammeter and a voltmeter {*}        
15. Jump starting a car {*}        
16. Removing a bulb {*}        
17. Contemplating Kirchhoff   
   
18. Three bulbs and two batteries {*}        
19. Throwing a switch {*}        
20. Contemplating Ohm's law {*}        
21. Mechanism in a resistor {*}        
22. Defibrillators {*}        
23. Seeing Kirchhoff's laws in a circuit {*}        
24. Two batteries and three bulbs         
25. The pi network {*}        
26. Current flow analogies       
27. Possible circuits {*}        
28. Resistor vs capacitor {*      
29. Circuit model of a cell membrane {*}        
30. Ranking for 3 resistors 2 batteries and a capacitor {*        
         

 

 

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