Electric Potential and Current
Presentation
•
Science
•
11th - 12th Grade
•
Medium
+3
Standards-aligned
Robert Oliver
Used 12+ times
FREE Resource
25 Slides • 21 Questions
1
Electric Potential
By Mr. Oliver
2
3
How did the balloon get a negative charge?
4
When the balloon was brought near the can, what happened inside of the can?
5
Why did the can chase the balloon?
6
Multiple Choice
7
Multiple Choice
8
Multiple Choice
9
Multiple Choice
10
Any questions before we move on?
11
12
What is the unit of charge?
13
What is the unit of energy?
14
What new unit were we given?
It's Joules/Coulomb
15
Multiple Choice
Units of energy (KE, PE, EE)
kg
J
kg m/s
m/s2
16
Multiple Choice
What are the proper units for an amount of charge?
volts
ohms
amps
coulombs
17
Multiple Choice
What are the proper units for a potential difference, equal to Joules/Coulomb?
volts
ohms
amps
watts
18
19
It may be easier to think about gravitational potential energy.
20
Multiple Choice
How could you increase the gravitational potential energy of an object without changing its mass and gravity?
Make the object larger
Lower the object towards the ground
Raise the object farther off the ground
Allow the object to roll on the ground
21
When we talk about electrical potential we always assume a positive charge unless told otherwise.
A charge in the middle would move in what direction?
22
When we talk about electrical potential we always assume a positive charge unless told otherwise.
Where would a positive charge have more potential energy?
A or B
23
Multiple Choice
The direction of electric field lines shows the
direction of the force on a test positive charge.
size of the field.
strength of the field.
all of the above
24
Multiple Choice
25
Multiple Choice
Electric potential between positive charges ____________ as distance increases.
Increases
Decreases
Remains Constant
Is 0
26
Multiple Choice
1 Volt =
1 Joule Coulomb
1 Joule per Coulomb
1 Amp Coulomb
1 Amp per Coulomb
27
Multiple Choice
Voltage is also known as potential difference. Define potential difference
The amount of energy per charge
The amount of charge per energy
The amount of charge per second
The amount of voltage per second
28
Multiple Choice
Calculate the potential difference if the work done by 10 C of charge is 50 J
500 V
5 V
0.5 V
29
30
Multiple Choice
One AA battery produces how many volts?
1500 V
1.5 V
31
32
Why is copper often used as wire?
33
Static electricity stays in place. What is moving electricity called?
34
35
What is the unit of current?
36
Multiple Choice
37
Multiple Choice
38
39
What is the "push" in the video that will get electrons flowing in a wire?
40
What's the difference between an open and closed circuit?
41
Multiple Choice
42
Multiple Choice
43
44
What direction does electricity flow?
45
Multiple Choice
By convention, current is defined as flowing from ______________ to ______________.
positive, negative
positive, positive
negative, positive
negative, negative
46
Multiple Choice
What do the arrows in the circuit represent?
conventional current flow
electron flow
voltage
resistance
Electric Potential
By Mr. Oliver
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