
11QT Static electricity and electric field
Presentation
•
Physics
•
11th Grade
•
Practice Problem
•
Easy

Sương Huỳnh Thị Hồng
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0 Slides • 33 Questions
1
Multiple Choice
A negatively charged material has ___________ electrons.
gained
lost
2
Multiple Choice
A positively charged material has __________ electrons
lost
gained
3
Multiple Select
The Law of Conservation of Charge states that charges are neither _________ or _________. SELECT the TWO answers that go in the blank
cancelled
created
acquired
destroyed
4
Multiple Choice
Like Charges
attract
repel
5
Multiple Choice
6
Multiple Choice
If an object has more positive than negative charges, its electrical charge is...
positive
negative
neutral or no charge
opposite
7
Multiple Choice
8
Multiple Choice
9
Multiple Choice
The child's hair is sticking up because.....
Each hair is positively charged and they are attracting each other.
Each hair is positively charged and they are repelling each other.
10
Multiple Choice
What would happen if the t-shirt and the balloon were brought close together?
They would attract
They would repel
11
Multiple Choice
What is the charge on the t-shirt?
+7
+3
-4
+11
12
Multiple Choice
What is the charge on the balloon?
-7
-3
+3
-10
13
Multiple Choice
14
Multiple Choice
15
Multiple Choice
Sometimes when you touch a doorknob you get shocked. This is an example of...
Charging by Friction
Charging by Conduction
Charging by Reflection
Polarization
16
Multiple Choice
17
Multiple Choice
If the charge of q1 is doubled, what would happen to the force?
It would double (x2)
It would quadruple (x4)
It would half (x1/2)
It would quarter (x1/4)
18
Multiple Choice
If the distance between the charges is doubled, what would happen to the force?
It would double (x2)
It would quadruple (x4)
It would half (x1/2)
It would quarter (x1/4)
19
Multiple Choice
Electrical forces are...
Invisible
Visible
Not Real
Dangerous
20
Multiple Choice
The area of electric force around an electrically charged particle is called an...
Electric Force
Electric Field
Electricity
Attract and Repel
21
Multiple Choice
In electrical fields, when a line is pointed inward towards a particle it means the particle is....
Postitive
Negative
Neutral
Lost
22
Multiple Choice
In electrical fields, when a line is pointed outward away from a particle it means the particle is....
Positive
Negative
Neutral
not good at directions.
23
Multiple Choice
What do we call electricity that builds up on an object?
Static Electricity
Current Electricity
An electrical field
Shmoovin
24
Multiple Choice
What do we call electricity that moves from one place to another?
Static Electricity
Current Electricity
Rockin
A Magnetic Field
25
Multiple Choice
26
Multiple Choice
27
Multiple Choice
Which of the following is a true statement about the electric field between the two plates?
The field is attractive between the plates and uniform in strength
The field is repulsive between the plates and uniform in strength
The field is attractive between the plates and strongest near the positive
The field is repulsive between the plates and strongest near the positive
28
Multiple Choice
Which diagram correctly shows the electric field around a negative charge?
A
B
they are both positive
29
Multiple Choice
30
Multiple Choice
An atom of oxygen has 8 protons and 10 electrons, this means the atom is ____________
positively charged because it has excess electrons
negatively charged because it has excess electrons
positively charged because it has a deficiency of electrons
negatively charged because it has a deficiency of electrons
31
Multiple Choice
Coulomb's law also says if distance increases, then force
decreases
disapears
destroyed in a heartbeat
doubles
32
Multiple Choice
33
Multiple Choice
A negatively charged material has ___________ electrons.
gained
lost
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