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jay and dj ch7 stack
Question | Answer |
---|---|
circut that has only one path | series |
circut that has more than one path | parallel |
what does the symbol V stand for | volts |
that which can open or close a circut | switch |
the flow of current through wire is on ______ current | eletric |
______ diffrence is measured in volts | voltage |
a flashlight battery is an example of | dry cell |
a material that alows electrons to move through it | conductor |
tendency for a material to oppose the flow of electrons | resistance |
transfering charges by touching is charging by | contact |
units used to measure the rate of electron flow | amperes |
the unit of eletric energy is the kilowatt- | hour |
eletrical _____ is exspressed in watts | power |
a power rating lists the ____ required to operate an appliance | watts |
a closed path though which electrons can flow is | a circut |
a fuse will melt if the ___ in a circut becomes to high | current |
current is almost always the flow of ___ | electrons |
a current has two or more branches in a ____ | parallel circut |
a car battery is an example of ____ | wet cell |
current with only one loop to flow through in a ____ | series circut |
current is measured in ____ | anperes |
electrical energy is equal to ___ X time | power |
electrical power is equal to _____ X voltage difference | current |
ohms 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 flow than do thinker wires | lesser |
1000 watts o power used in 60 min is ___ | 1 kilowatt hour |
allows electrons to move through it easy | conductor |
closed path through which electrons flow | circut |
a divice that detects electric charges | electroscope |