Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Wenger - Physical Science > Electricity > Flashcards

Electricity Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Electricity

Charging by contact

A

The process of transferring charge by touching or rubbing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Electricity

Charging by induction

A

The rearrangement of electrons on a neutral object caused by a nearby charged object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Electricity

Circuit

A

A closed path that electric current follows

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Electricity

Conductor

A

A material in which electrons are able to move easily.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Electricity

Electric current

A

The net movement of electric charges in a single direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Electricity

Insulator

A

A material in which electrons are not able to move easily

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Electricity

Law of Conservation of charge

A

Charge can be transferred from object to object, but cannot be created or destroyed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Electricity

Ohm’s law

A

The current in a circuit equals the voltage difference divided by the resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Electricity

Parallel circuit

A

Contains two or more branches for current to move through

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Electricity

Resistance

A

The tendency for a material to oppose the flow of electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Electricity

Series circuit

A

The current has only one loop to flow through

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Electricity

Static electricity

A

The accumulation of excess electric charges on an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Electricity

Voltage difference

A

Is relating to the force that causes electric charges to flow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A material in which the electrons on each atom are held onto very tightly by the nucleus.

A

Insulator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A material in which the nucleus only loosely holds onto the electrons on the surface of the atom.

A

Conductor.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ohm’s Law

A

V = IR

(often written I = V/R)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The three particles that make up atoms.

A

Protons

Neutrons

Electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The charge on a proton.

A

+1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The charge on an electron.

A

-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The charge on a neutron

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What are the whitish particles?

A

Electrons

22
Q

What are the blue and red particles

A

Protons and Neutrons

23
Q

What are the blue and red particles deep down in the nucleus of an atom?

A

Protons and Neutrons

24
Q

What are the little grey particles?

A

Electrons

25
Q

What are color are the neutrons?

A

Green

26
Q

What are the orange particles, and what is their charge?

A

They are neutrons

The have no charge.

27
Q

What are the yellow particles?

A

Protons

28
Q

What are color are the protons?

A

Red

29
Q

What are color are the electrons?

A

Blue

39
Q

Electrical Current is measured in

A

Amperes (amps)

40
Q

An ampere is equal to

A

1 coulomb of charge per second

Ampere = Coulombs/Second

41
Q

These batteries are hooked up in _____________.

A

These batteries are hooked up in parallel.

42
Q

These batteries are hooked up in _____________.

A

These batteries are hooked up in Series.

43
Q

These bulbs are hooked up in _____________.

A

These bulbs are hooked up in series.

44
Q

These bulbs are hooked up in _____________.

A

These bulbs are hooked up in series.

45
Q

A battery is a device that converts
___________ to ___________.

A

A battery is a device that converts

chemical potential energy to electrical energy.

46
Q

Something that opposes the flow of electricity in a circuit.

A

Resistor

(could be a lightbulb, a very thin wire, a home appliance like a toaster or dishwasher)

47
Q

Electrical Potential Difference is also known as….

A

Voltage

(Voltage is measured in Joules/Coulumb)

48
Q

Which particles typically flow in a circuit?

(Electrons, protons, or neutrons)

A

Electrons

(they are on the outside edges of the atoms, and can jump from atom to atom if they are not held too tightly by the nucleus.)

49
Q

A method of charging an object where you scare the electons away, leaving a positive area behind.

A

Charging by Induction

50
Q

A method of charging an object where pull electrons to the surface, making the surface negativily charged.

A

Charging by Induction

51
Q

Opposite charges _____________.

A

Attract

52
Q

Like charges ______________

A

Repel

53
Q

One Joule per coulomb is known as

A

One Volt

54
Q

In Ohms Law, current is directly proportional to ______

A

Voltage

55
Q

In Ohm’s Law, current is inversely proportional to ______.

A

Resistance

56
Q

If I the current in a circuit has double while the resistance remains the same, what happened to the voltage?

A

It doubles. Voltage and current are directly proportional.

57
Q

If the resistance of a circuit is doubled while the voltage remains the same, what happens to the current?

A

Cut in half. Current and resistance are inversely proportional

58
Q

If I the voltage in a circuit is doubled while the resistance remains the same, what happens to the current?

A

It doubles. Voltage and current are directly proportional.

59
Q

If the current of a circuit is doubled while the voltage remains the same, what happened to the resistance?

A

Cut in half. Current and resistance are inversely proportional

Wenger - Physical Science (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions