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Chapter 7 Flashcards
Chapter 7 cards
Question | Answer |
---|---|
What is the formula for amperes? | R=V/I |
What is Resistance? | Resistance is the tendency for a material to oppose the flow of electrons. |
What is the unit of electric energy of a Kilowatt-_____? | Hours |
What allows electrons to move through it easily? | Conductor |
What kind of circuit only has 1 path? | Series Circuit |
What kind of circuit has 1 or more Paths? | Parallel Circuit |
What is the flow of current through wire is on _____ current? | Electric |
A flashlight battery is an example of what? | Dry Cell |
A fuse will melt if the________ in a circuit becomes to high. | Current |
A closed path through which electrons can flow is ____________. | Circuit |
What current has two or more branches? | Parallel Circuit |
What are currents measured in? | Volts |
What is an electric current? | An electric curret is the net movement of electric charges in a single direction. |
What is Voltage Difference? | Voltage difference is related to the force that causeselectric charge to flow. |
What is charging by induction? | The rearrangement of electrons on a neutral object caused by a nearby charged object. |
What is lighting? | Lighting is a static discharge that transfers charges between two objects because of a buildup of static electrricity |
What is Ohm's Law? | Ohm's law is the relationship between voltage difference,current and resistance in a circuit. |
What is electric power? | Electric power is the rate at which electric energy is converted to another form of energy. |
One thousand watts of power used in 60 minutes is how many amperes? | 16.7amperes |
Power rating lists the_____ required to operate an appliance. | Voltage |
OHm's law states that the current equals___________divided by resistance. | Voltage Difference |
What are currents measured in? | Volts |
What is an electric current? | An electric curret is the net movement of electric charges in a single direction. |
What is the formula for amperes? | R=V/I |
What is Voltage Difference? | Voltage difference is related to the force that causeselectric charge to flow. |
What is the flow of current through wire is on _____ current? | Electric |
What kind of circuit only has 1 path? | Series Circuit |
What kind of circuit has 1 or more Paths? | Parallel Circuit |
A flashlight battery is an example of what? | Dry Cell |
What allows electrons to move through it easily? | Conductor |