State about electric field lines, Biology

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State about Electric Field Lines

Electric Field Lines (lines of force) - show direction of force on a positive test charge from a distribution of charges.  The electric field points in the direction tangent to the field at any point.

Electric field lines point radially outward for a positive point charge and radially inward for a negative point charge.

The number of lines entering (leaving) a charge is proportional to the magnitude of the charge.  (Instance: a charge of +2q will have twice as lots of lines leaving as a charge of +q).

 

 


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