Electricity Flashcards

1
Q

All vehicles use what device to prevent the electricity used in all its circuits from overloading?

A

Fuse

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2
Q

What is good about this type of device used in vehicles? (Fuse)

A

Cheap

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3
Q

An extension cord breaks internally and the wires touch. This causes a what?

A

Short Circut

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4
Q

New houses use what device to prevent the electricity used in all its circuits from overloading?

A

Breaker

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5
Q

What’s better about prev answer in new houses—better then vehicles? (Breaker)

A

Flip switch/ Easy/ Safe

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6
Q

The scientific name for how much electric pressure is pushed through a wire?

A

Volts

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7
Q

The name for when we describe how much electric volume is pushed through a wire?

A

Amps

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8
Q

My house runs on what is called?

A

A/C

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9
Q

100 watt vs 40 watt bulb. When turned on the 40 watt bulb has more what in it?

A

Resistance

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10
Q

I have a neg charged balloon and a second neg charged balloon. They do what to each other?

A

Repel

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11
Q

If I have too many things plugged into an outlet and it gets hot-it can lead to what?

A

Overload

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12
Q

I touch a hot pan my brain tells my hands nerves to move- what bridges the signal there?

A

Spinal cord

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13
Q

When we rub balloons on our head, we are creating what kind of electricity?

A

Static

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14
Q

What do we call material that allows electricity to flow through it easily?

A

Conductor

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15
Q

What do we call that does not allow electricity to flow through it—on purpose?

A

Insulator

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16
Q

What do we call material that controls and limits the electricity flowing through it on purpose?

17
Q

The scientific name for my refrigerator cord?

18
Q

The John Travolta simulator showed that electric field strength changes with?

A

Amount AND distance

19
Q

My battery won’t start the car after 60 seconds, will a few minutes for the battery to rest help?

20
Q

How many volts does a regular outlet have?

21
Q

What is the third prong on an extension cord called?

22
Q

All our AA, AAA, C batts, D batts have how many volts?

23
Q

All car batteries have how many volts?

24
Q

Each one produces how many volts?
(Car batteries)

25
If we take apart a battery each individual area is called is called a?
Cell
26
A 9v battery produces how many volts?
1.5
27
A 9v battery has how many areas?
6
28
9v batteries are what group?
Alkaline
29
Very fast computer?
Super conductor
30
What two ingredients do I need to make the previous answer work? (Superconductors)
Metal and Cold
31
What is another technology we learned?
Maglev trains
32
The electric company bills in any units?
Kilowatt hours
33
When energy is not able to flow?
Open
34
When energy is able to flow?
Closed
35
Resistance is measured in what units?
Ohms