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Calvert Chapter 7

electricity

QuestionAnswer
a power rating lists the ---- required to operate an appliance. watts
a closed path through which electrons flow is---- circuit
a fuse will melt if the ---- in a circuit becomes too hot current
current is almost always the flow of ---- electrons
a current has two or more branches in a ---- parrallel circuit
a car battery is an example of a---- wet cell
the tendancy for a material to oppose the flow of electrons is called resistance
current has only one loop to flow through in a series circuit
current is measured in ----- amperes
electrical energy is equal to --- x time power
electrical power is equal to ---- x voltage difference. current
ohm's law states that the current equals --- divided by the resistance. voltage difference.
a dry cell is used in a flashlight to convert --- to light electrical energy
thin wires have a --- resistance to electron than do thicker wires greater
one thousand watts of power used in 60 minutes is --- 1 kilowatt hour
electrical power is equal to ---- x voltage difference current
a circuit that has only one path? series
one thousand watts of power used in 60 minutes is? 1 kilowatt hour
electrical ---- is expressed in watts power
a closed path through which electrons flow is---- circuit
is electrity energy? yes
kilowatt-? hour
V stands for? voltage
example of dry cell? flashlight
example of wet cell? car battery
voltage difference is measured in? volts
amperes measure? rate of electron flow
what is lightning? static electricty discharge
metal is a good what conductor
metal is a bad what insulator
Created by: riqeself
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