Science 700 Energy Part 2 Lessons 4 - 5 Quiz 2
light bulb
Edison
induced currents
Faraday
magnetism/electricity
Oersted
A large electrostatic generator is commonly called a_____________________ generator.
Van de Graaff
batteries
Volta
alternating current electricity
Westinghouse
unit for measuring the strength of an electric current
ampere
An ______________ is electrically neutral.
atom
Electromotive force is usually provided by a _____ or _____ in an electric circuit.
battery..........generator
In order for electric current to flow, an electric circuit must be _____.
closed
As the total resistance of a circuit increases, the current will
decrease
The force that pushes electrons through a wire is called
electric potential
the study of electrons in motion
electronic
Resistance to the flow of electrons in a conductor causes a loss of ________________________ as heat.
energy
As the total resistance is reduced in a simple electrical circuit, the current flow will _____.
increase
An atmospheric discharge of static electricity is called
lightning
The resistance to water flow in a rough or partially clogged pipe is like a conductor having _____.
low conductivity
unit of electrical resistance
ohm
The unit of electric resistance is the _____________
ohm.
An example of an electrical insulator is _____.
paper
Light bulbs use very fine filaments to _____.
produce very high resistance
a mineral crystal that is used in modern electronics
semiconductor
unit of electromotive force or electrical potential
volt
The quantity of electrical current in a circuit depends upon
voltage ohms
The power used by an electrical tool or machine can be determined by multiplying the _____ and _____.
volts & amps
The metric unit of electrical power is the _____.
watt
