287 free courses & lectures available for Physics

Electric field | Electric charge, electric force, and voltage | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.23 hours
We can think of the forces between charges as something that comes from a property of space. That property is called the electric field. Created by Sal Khan.
  
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Electric potential energy (part 2-- involves calculus) | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
Electric potential energy difference in a varying field. Created by Sal Khan. Watch the next lesson: ...
  
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Voltage | Electric charge, electric force, and voltage | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
Sal explains the difference between electrical potential (voltage) and electrical potential energy. Created by Sal Khan. Watch the next lesson: ...
  
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Capacitance | Circuits | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.23 hours
Introduction to the capacitance of a two place capacitor. Created by Sal Khan. Watch the next lesson: ...
  
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Moments | Moments, torque, and angular momentum | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.24 hours
Introduction to moments. Created by Sal Khan. Watch the next lesson: ...
  
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Moments (part 2) | Moments, torque, and angular momentum | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.23 hours
2 more moment problems. Created by Sal Khan. Watch the next lesson: ...
  
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Resistors in series | Circuits | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.19 hours
Resistors that come one after another. Created by Sal Khan. Watch the next lesson: ...
  
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Resistors in parallel | Circuits | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.21 hours
Resistors that run alongside each other. Created by Sal Khan. Watch the next lesson: ...
  
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Example: Analyzing a more complex resistor circuit | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.12 hours
A hairy resistance problem. Created by Sal Khan. Watch the next lesson: ...
  
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Cross product 1 | Magnetic forces, magnetic fields, and Faraday's law | Physics | Khan ...

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
Introduction to the cross product. Created by Sal Khan. Watch the next lesson: ...
  
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