Unit 1.2 Terms Part 1 Question Preview (ID: 32883)
Unit 1.2 Terms PLTW.
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The unit of electric resistance. Symbolized as Ω.
a) Volts
b) Amperes
c) Power
d) Ohm
A resource that cannot be replaced once used.
a) renewable energy
b) inexhaustible energy
c) electrical energy
d) nonrenewable energy
Energy which a body possesses by virtue of being in motion.
a) kinetic energy
b) potential energy
c) energy conversion
d) electrical energy
An energy source that will never run out.
a) renewable energy
b) inexhaustible energy
c) nonrenewable energy
d) kinetic energy
The state when objects are not yet in motion.
a) kinetic energy
b) power converter
c) potential energy
d) energy
The use of heat from within the Earth or from the atmosphere near oceans.
a) biomass
b) fossil fuels
c) induction
d) geothermal energy
A natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
a) biomass
b) renewable energy
c) fossil fuel
d) inexhaustible energy
A dynamo or similar machine for converting mechanical energy into electricity.
a) generator
b) electromagnetic induction
c) turbine
d) rotor
An organization that works to develop and enforce regulations that implement environmental laws enacted by Congress.
a) Department of Environmental Protection
b) Wildlife Federation
c) Environmental Protection Agency
d) Biolife Agency
Changing one form of energy to another.
a) generator
b) electromagnetic induction
c) electric conversions
d) fossil fuels
A fundamental entity of nature that is transferred between parts of a system in the production of physical change within the system and usually regarded as the capacity for doing work.
a) energy
b) volt
c) rotor
d) work
The ratio of the useful energy delivered by a dynamic system to the energy supplied to it.
a) power
b) efficiency
c) Ohms
d) kinetic energy
The production of electricity in conductors with the use of magnets.
a) induction
b) rotation
c) turbine
d) electric conversion
Energy caused by the movement of electrons.
a) force
b) power
c) electricity
d) watts
The net transfer of electric charge (electron movement along a path) per unit of time.
a) induction
b) voltage
c) resistance
d) current
Plant materials and animal waste used especially as a source of fuel.
a) biomass
b) fossil fuels
c) renewable energy
d) inexhaustible energy
Any source of energy other than fossil fuels that is used for constructive purposes.
a) Alternative Energy
b) Solar Power
c) Renewable Energy
d) Nonrenewable Energy
The unit of electric current in the meter-kilogram-second system of units. Referred to as amp and symbolized as A.
a) The letter I
b) Amperes
c) Voltage
d) Ohms
States that the direct current flowing in an electric circuit is directly proportional to the voltage applied to the circuit.
a) Power
b) Ohm's Law
c) Power Grid
d) Kirchoff's Law
A closed electrical circuit in which the current is divided into two or more paths and then returns via a common path to complete the circuit.
a) Series Circuit
b) Potential Energy
c) Voltage
d) Parallel Circuit
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