Physics AS unit 1 definition

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  1. Define potential difference between two points 
    The energy converted from electrical potential enery to some other form per coulomb of charge flowing from one point to another
  2. Define 'n'
    The number of free electrons per unit volume
  3. Define Ohm's law
    The current flowing through a metal wire at constant temperature is proportional to the p.d across it
  4. Define Newton's third law
    If object A exerts a force on object B, then B exerts an equal and opposite force on A.
  5. Define Centre of Gravity
    The point where the entire weight of the body is considered to act.
  6. Define Mean speed
    Total distance travelled÷total time taken
  7. Mean velocity

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Author:
 Anonymous
ID:
 214150
Filename:
 Physics AS unit 1 definition
Updated:
2013-04-17 22:16:14
Tags:
Definitions unit physics
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Description:
physics, electricity kinematics etc
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