Unit3 AOS1 - Effect of Fields Flashcards
Formula: Electric Field Strength
(around a point charge)
Formula: Electric Field Strength
(within a uniform electric field)
Does Electric Field Strength vary between two uniform charged plates?
No, the field is uniform - it will be the same for all locations between the plates
Formula: Force due to Electric Fields
Formula: Coulomb’s Law (and how its derived)
Combining the electric field strength formula, with the force due to electric fields formula
Formula: Work done in Uniform Electric Fields
Energy transformations of work done in uniform electric fields
Electric potential energy can be converted into kinetic energy
Requirement for a Magnetic Force on Charged Particle
The Magnetic Field must be perpendicular to the direction of motion
If the magnetic field is parallel to the direction of motion, no magnetic force will be experienced
Right Hand Slap Rule
How to find the direction of a Magnetic Force
Right Hand Slap Rule
(remember - if the particles are negatively charged, the thumb will point to be opposite to the direction of motion)
Formula: Magnetic Force
Magnetic Force as a Centripetal Force
The Force due to the Magnetic Field is centripetal because:
- the force will always be at right angles to the direction of motion
- the force will always be constant in magnitude
If no other forces are present: Fnet = Fmagnetic field
Do positive and negative particles move in the same direction in a magnetic field?
No!
Formula: Gravitational Field Strength (+ what it means)
Describes the magnitude of the gravitational field at a particular location
Depends purely on the object creating the field, not the object experiencing the field
Formula: Force due to gravity
Formula: Newtons Law of Universal Gravitation (and how its derived)
Combination of the force due to gravity and the gravitational field strength formulas
Formula: Gravitational Potential Energy
