Charging Flashcards

(30 cards)

0
Q

Between what particles would an electric force of repulsion occur?

A

Proton to proton because like charges repel

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

What kind of charging will leave the two items with an opposite charge?

A

Friction

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

The smallest positive charged particle is?

A

Proton

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

What unit is power measured in?

A

Watts

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

What unit is charge measured in?

A

Coulombs

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

Amperes is used to measure…?

A

Current

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

Circuit breakers are switches that…?

A

Turn off if too much current flows through the circuit breaker

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

Ohms is the unit for..?

A

Resistance

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

What is currents symbol?

A

I

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

Induction is the charging method that causes you to receive a shock after walking across a carpet.. True or false?

A

False! Friction is the charging method!

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

If an object is grounded it will gain electrons… True or false?

A

False it will lose electrons

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

A conductor easily carries protons from one place to another.. True or false?

A

False! A conductor easily carries ELECTRONS

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

Three ways of charging and object

A

Induction
Friction
Contact

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

What factors affect the amount of static charge that is transferred when you rub two different substances together?

A

Moisture In the air

The materials you rub together

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

The differences between insulators and conductors?

A

An electrical insulator is a substance in which electrons cannot move freely from one atom to another
An conductor is a substance in which electrons CAN move freely from one atom to another

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

How does a lighting rod mounted on the roof protect your house?

A

It grounds the house

16
Q

Ways to discharge a charged object.

A

Leave it for long enough
Ground it
Shine light on it

17
Q

The difference between static electricity and current electricity?

A

Static electricity is generated by friction, or sudden contact – for instance, rubbing two materials against each other
Current electricity, on the other hand, is a phenomenon of moving electrons in a particular path, or direction, such as a stream of them flowing through conducting materials.

18
Q

The difference between a primary cell and a secondary cell?

A

A primary cell can only last so long…

A secondary cell can be recharged to be used over and over again

19
Q

What is a short circuit? Why is it dangerous?

A

A short circuit in an electrical circuit that allows a current along a different path from the one intended A short circuit is dangerous because the magnitude of electric current can be very large and the release of energy very dramatic

20
Q

Why are houses wired in parallel?

A

So if one light burns out all the lights in the house wouldn’t go out as well! Also so it doesn’t take forever to find which light went out

21
Q

List one advantage and one disadvantage of circuit breakers over fuses.

A

Advantage: when a fuse goes it’s done but when a circuit breaker goes all you have to do is flip it.
Disadvantage: fuses are cheaper

22
Q

Why is it dangerous to help someone experiencing electric shock?

A

Because the shock could travel through their body to yours!

23
Q

Contact is a way of charging objects?

A

That gives the same charge as the original charged object

24
Between which particles would an electric force of attraction occur?
Electron to proton
25
State the law of electric charge
Like charges repel | Opposite charges attract
26
Definition of current?
How many electrons go through a wire in a certain time
27
Definition of a parallel circuit?
Electrical circuit where load is connected to energy source by own separate paths
28
Definition of discharge
To neutralize or remove all electric charges
29
You bring a charged ballon near some confetti. Some of the confetti will jump onto the ballon the quickly jump off again. Why?
They attract because they have opposite charges but when they touch they share the same charge and that's why the confetti falls off