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Rules/Laws
Parts/Types of/Uses
Chapter 24 Vocab
Chapter 25 Vocab
Formulas
100
A method you can use to determine the direction of a magnetic field relative to the direction of conventional current.
What is the first right-hand rule.
100
Used to increase or decrease AC voltages
What is transformers.
100
These are vector quantities that exist in a region in spance where a magnetic force occurs.
What is magnetic fields.
100
This was invented by Michael Faraday and converts mechanical energy to electrical energy.
What is the electric generator?
100
Force on a Current-Carrying Wire in a Magnetic Field
What is F=ILB
200
A method you can use to determine the direction of the field produced by an electromagnet relative to the flow of conventional current.
What is the second right-hand rule.
200
When the secondary voltage is larger than the primary voltage, the transformer is called.
What is a step-up transformer.
200
The number of magnetic field lines passing through a surface.
What is magnetic flux.
200
Currents that are generated in the metal and produce a magnetic field that acts to oppose the motion that caused the currents.
What is eddy currents.
200
Force on a Bent Current-Carrying Wire in a Magnetic Field.
What is F=ILBsin(theta)
300
This can be used to find the direction of the force on a current-carrying wire in a magnetic field.
What is the third right-hand rule.
300
These are electrically insulated from each other, but are wound around the same iron core.
What is the primary coil and secondary coil.
300
this type of magnet, which is created when current flows through a wire coil, is called.
What is an electromagnet.
300
The potential difference, or voltage, given to the charges by a battery.
What is electromotive force.
300
The galvanometer measures the current through the multiplier. This current is represented by
What is I = V/R
400
This rule allows you to find the force on the charges in the wire so that when holding your right hand your thumb points in the direction in which the wire is moving and your fingers point in the direction of the magnetic field.
What is the fourth right-hand rule.
400
When the voltage coming our of the transformer is smaller thatn the voltage put in then it is called.
What is a step-down transformer.
400
A device used to measure very small currents, and therefore, it can be used as a voltmeter or an ammeter.
What is a galvanometer.
400
Faraday found that to generate current, either the conductor can move through a magnetic field or a magnetic field can move past the conductor. It is the relative motion between the wire and the magnetic field that produces the current. This is the process of generating a current through a circuit in this way that Faraday described.
What is electromagnetic induction.
400
Force of a Magnetic Field on a Charged, Moving Particle
What is F = qvB
500
States that the direction of the induced current is such that the magnetic field resulting from the induced current opposes the change in the field that cuased the induced current.
What is Lenz's Law.
500
What are some everyday uses of transformers.
What is home appliances and electronic charges.
500
This is an apparatus that converts electric energy into rotational kinetic energy.
What is an electric motor.
500
Thsi induction of EMF in a wire carrying changing current is.
What is self-inductance.
500
Electromotive Force
What is EMF = BLv(sin(theta))