Fichas
Electric Fields
Fichas del conjunto (20)
- 1Which particle is responsible for charging in most situations?Electron
- 2How can a metal object become charged?By losing its free electrons
- 3What is an electric field line?A line drawn to show the direction of the force that would act on a positive charge
- 4Draw the shape of the electric field between parallel, oppositely charged plates.
- 5Draw the shape of the electric field around a small, positive charge.
- 6What is the definition of electric field strength?Force per unit positive charge
- 7Is electric field strength a scalar or a vector quantity?Vector
- 8What is the equation for the electric field strength between parallel plates?
- 9What are the 2 possible units for electric field strength?
- 10What is the equation for electric field strength of a radial field (e.g. the field around a point charge)?
- 11What is the definition of electric potential?Energy per unit positive charge to bring that charge from infinity to a point in the field
- 12Is electric potential a scalar or a vector quantity?Scalar
- 13What is an equipotential?Lines/surfaces showing points of equal potential in a field
- 14Draw the field around a small negative point charge and clearly mark 3 equipotentials.
- 15What is potential gradient?The rate of change of spacing between equipotentials
- 16What is the link between electric field strength and potential gradient???
- 17What is Coulomb's law?
- 18What is one similarity between Coulomb's Law and Newton's Law of universal gravitation?Give the force between two things (masses or charges) using an inverse square law
- 19What is one difference between gravitational and electric forces?Gravitational forces are always attractive
Electric forces could be attractive or repulsive - 20What is one similarity between uniform g and E fields?Equipotentials form a spherical surface
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- Descripción
- A level A Level Physics Fichas sobre Electric Fields, creado por Charlotte Buckley el 13/11/2017.
- Creado por
- Charlotte Buckley
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