Electricity Flashcards
All vehicles use what device to prevent the electricity used in all its circuits from overloading?
Fuse
What is good about this type of device used in vehicles? (Fuse)
Cheap
An extension cord breaks internally and the wires touch. This causes a what?
Short Circut
New houses use what device to prevent the electricity used in all its circuits from overloading?
Breaker
What’s better about prev answer in new houses—better then vehicles? (Breaker)
Flip switch/ Easy/ Safe
The scientific name for how much electric pressure is pushed through a wire?
Volts
The name for when we describe how much electric volume is pushed through a wire?
Amps
My house runs on what is called?
A/C
100 watt vs 40 watt bulb. When turned on the 40 watt bulb has more what in it?
Resistance
I have a neg charged balloon and a second neg charged balloon. They do what to each other?
Repel
If I have too many things plugged into an outlet and it gets hot-it can lead to what?
Overload
I touch a hot pan my brain tells my hands nerves to move- what bridges the signal there?
Spinal cord
When we rub balloons on our head, we are creating what kind of electricity?
Static
What do we call material that allows electricity to flow through it easily?
Conductor
What do we call that does not allow electricity to flow through it—on purpose?
Insulator
What do we call material that controls and limits the electricity flowing through it on purpose?
Resistor
The scientific name for my refrigerator cord?
Appliance
The John Travolta simulator showed that electric field strength changes with?
Amount AND distance
My battery won’t start the car after 60 seconds, will a few minutes for the battery to rest help?
No
How many volts does a regular outlet have?
110-120
What is the third prong on an extension cord called?
Ground
All our AA, AAA, C batts, D batts have how many volts?
1.5
All car batteries have how many volts?
12
Each one produces how many volts?
(Car batteries)
2
If we take apart a battery each individual area is called is called a?
Cell
A 9v battery produces how many volts?
1.5
A 9v battery has how many areas?
6
9v batteries are what group?
Alkaline
Very fast computer?
Super conductor
What two ingredients do I need to make the previous answer work?
(Superconductors)
Metal and Cold
What is another technology we learned?
Maglev trains
The electric company bills in any units?
Kilowatt hours
When energy is not able to flow?
Open
When energy is able to flow?
Closed
Resistance is measured in what units?
Ohms
