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Chapter 17
Chapter 18
Vocabulary
Hodge Podge
100
a material in which charges can move freely.
What is an electric conductor?
100
a circuit in which the parts are joined in breaches such that the potential difference across each part is the same.
What is a parallel circuit?
200
electric charge at rest; generally produced by friction or induction.
What is static electricity?
200
coil that has a soft iron core and that acts like a magnet with an electric current in the wire.
What is an electromagnet?
200
device that converts mechanical energy into electric energy.
What is an electric generator?
300
he space around a charged object in which another charged object in which another charged object experiences an electric force.
What is an electric field?
300
a loop or coil of wire that can rotate.
What is an armature?
300
increases CURRENT decreases VOLTAGE
What does a Step-Down transformer do?
400
a device that increases or decreases the voltage of alternating current.
What is a transformer?
400
attached to the armature to reverse the direction of the current
What is a commutator?
400
the release of electricity stored in a source.
What is electric discharge?
500
the rate at which charges pass through a given point; measured in amperes.
What is an electric current?
500
scientists who are credited to discovering that a magnetic field could make an electric current.
Who are Joseph Henry and Michael Faraday?
500
the law that states that like charges repel and opposite forces attract.
What is the Law of Electric Charges?
500
any material that attracts iron or materials containing iron.
What is a magnet?