IB Physics Topic 4 Definitions
It is a device that produces an alternating current
It is current that constantly switches direction
It is a material that allows the flow of charge
It is the rate of flow of charge
It is temporary alignment of paired electrons by a magnetic field
It is current that flows in one direction
It is the force per unit positive point test charge
It is the work done moving a test point charge per unit test point charge
It is the work done in moving a charge from any point in space to infinity
It is the average electric field strength over a specified distance
The total energy difference per unit charge, or rate of change of flux
It is the energy gained by an electron moving 1 V
It is the force between two electrically charged objects
It is the line of zero potential difference where no work is done moving an object
It is the speed required to travel from the surface of a mass to infinity to overcome the gravitational field strength
It is permanent parallel alignment of unpaired electrons
It is the flux per area, or magnetic field strength
It is the field line of a magnetic field
It is the forward flow of current due to negligible resistance in a diode
It is the distance between field lines of a magnetic field
It is the force per unit test point mass
It is the force per unit mass experienced by a small point mass at a point in the field
It is the energy per unit test point mass
It is the work done moving a test point mass per unit test point mass
It is the work done in moving a mass from infinity to any point in space
It is the average gravitational field strength over a specified distance
It is a device that allows current to flow in the forward direction due to negligible resistance, but not the backward direction due to infinite resistance
It is a material that does not allow the flow of charge
This is the event of inducing an electromotive force
It is the presence of equal amounts of positive and negative charge
It is a transformer that has internal power losses
It is the velocity required to overcome the gravitational force and travel in an orbit around the mass
It is temporary alignment of unpaired electrons by a magnetic field
It is the energy per unit test point due to the field
It is the energy difference or work done per unit charge moved between two points
It is the conversion of AC to DC
It is the inhibition of reverse flow due to infinite resistance in a diode
It is the sub-maximum current from a AC generator
It is the sub-maximum voltage from a AC generator
It is the conversion of a pulsating DC to a stable potential difference
It is a transformer that decreases the output voltage
It is a transformer that increases the input voltage
It is the amount of flux passing through all turns of a coil
It is a device that takes an alternating voltage input and produces an alternating voltage output via electromagnetic fields