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Chapter 7 dude
It's a flash thingy
| Question | Answer |
|---|---|
| A car battery is an example of a? | wet cell |
| A flashlight battery is an example of a? | dry cell |
| A power rating lists the _______ required to operate an appliance? | voltage |
| The tendency for a material to oppose the flow of electrons is? | resistance |
| What is the unit of electrical energy? | kilowatt-hour |
| What does not allow electricity to move easily through it? | insulator |
| Device that detects electrical charges? | electroscope |
| Metal rod that directs lightning to the earth? | lightning rod |
| A circuit that has two or more branches is a? | parallel circuit |
| A closed path through which electrons can flow? | circuit |
| Electrical energy is equal to _____ x time? | power |
| Electrical power is equal to _______ x voltage difference? | current |
| A circuit with only one path? | series |
| Allows electrons to move through it easily? | conductor |
| Accumulation of the electrical charges on an object? | static electricity |
| Surrounds electric charge and exerts force on other charges? | electric field |
| Current is almost always the flow of? | electrons |
| Ohms law states that the current equals __________________ divided by resistance? | voltage difference |
| Current is measured in? | amperes |
| What is lightning? | a large static discharge from storms |
| A fuse will melt if the _______ in a circuit becomes to high? | current |
| Electrical _____ is expressed in watts? | power |
| Transferring charge by touching is charging by _______? | contact |
| The symbol V stands for? | volts |
| That which can open or close a circuit? | switch |
| _______ difference is measured in volts? | voltage |
| The flow of current through wire is on ________ current? | electric |
| Push that causes charges to move? | voltage difference |
| Rate at which electrical energy is changed to another energy form? | electrical power |
| One thousand watts of power used in 60 minutes is _______________ | 1 kilowatt-hour |