the flow of electrons from negative to positive.
Physics, 28.08.2019 13:30 nmartin1467
Match the term to the correct description.
the flow of electrons from negative to positive.
materials that can easily carry electricity from place to place.
materials that do conduct electricity, just not as well as conductors.
materials that stop the flow of electricity.
an object that slows down the flow of electric current but still allows some electric current to move, resulting in some of the energy being converted to heat (thermal energy) or light energy in the process.
1.
current
2.
conductor
3.
insulator
4.
semiconductor
5.
resistor
Answers: 1
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Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
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If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.
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In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer
Answers: 3
Match the term to the correct description.
the flow of electrons from negative to positive.
the flow of electrons from negative to positive.
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