Electric Fields (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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15 cards from this deck
What creates an electric field?
What creates an electric field?
Charged objects
What are electric fields centred around?
What are electric fields centred around?
A charged particle
What do electric field lines show?
What do electric field lines show?
Direction a positive test charge would move
Direction of field lines from +ve charges?
Direction of field lines from +ve charges?
Away from positive charges
Direction of field lines near -ve charges?
Direction of field lines near -ve charges?
Towards negative charges
Orientation of field lines to charged surface?
Orientation of field lines to charged surface?
Perpendicular (at right angles)
Effect of distance on electric field strength?
Effect of distance on electric field strength?
Closer = stronger; further = weaker
Effect of charge amount on field strength?
Effect of charge amount on field strength?
Larger charge = stronger field
Type of force between opposite charges?
Type of force between opposite charges?
Attractive
Type of force between like charges?
Type of force between like charges?
Repulsive
Effect of distance on force in electric field?
Effect of distance on force in electric field?
Closer = stronger; further = weaker
Where do uniform electric fields occur?
Where do uniform electric fields occur?
Between two parallel plates with opposite charges
Characteristics of uniform field lines?
Characteristics of uniform field lines?
Parallel and evenly spaced
Where are radial electric fields found?
Where are radial electric fields found?
Around a single point charge
Direction of radial field from +ve charge?
Direction of radial field from +ve charge?
Radiates outwards