Quiz For Lesson 11:

Photographic Electricity

 

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Free electrons.
Loosely bound molecules.
Electrically conductive polymers.
Having all eight electrons in its second shell.

 

Carbon has more free electrons than iron.
Carbon atom electrons repel each other.
Iron has electrons in shells.
Iron has more free electrons than carbon.

 

Electron cloud, because it prevents elecron flow.
Polymers, because they contain certain impurities such as water.
Polymers, because they bind the outer shell electrons.
Free electrons, because they form an electron cloud.

 

Provides like charges which attract each other.
Forms electrons which combine to make molecules.
Generates a potential difference.
Generates chemical energy.

 

 

2.5 amps.
.25 amps.
.4 amps.
4 amps.

Illustration for Question 6.

 

50 watts.
1212 volts.
25 volts.
50 volts.

Illustration for Question 7.

 

Multiply by one million.
Divide by one million.
Multiply by one thousand.
Divide by one thousand.

 

Multiply by one million.
Divide by one million.
Multiply by one thousand.
Divide by one thousand.

 

Note for Questions 10 and 11:

Questions 10 and 11 require you to submit drawings. We have a worksheet you can download and print. After you do the drawings on the worksheet, snap a picture of it with your phone or scan it and upload the image using the upload button under Question 11. The worksheet prints on a single sheet of standard letter-size paper.

If you have Photoshop or another drawing or editing program, you can do the drawings on your computer and simply upload the finished file without having to print it!

Download the worksheet for Questions 10 and 11

 

Illustration for Question 10.

 

V1 (112 volt battery)
R1 (330Ω)
R2 (1000Ω)
R3 (570Ω)
SW1 (SPST)
SW2 (SPST)

Illustration for Question 11.

 



 

 

90v.
30v.
9v.
3.3v.

Illustration for Question 12.

 

1136Ω.
1246Ω.
1234Ω.
1709Ω.

Illustration for Question 13.

 

7.15Ω.
.35Ω.
100Ω.
65Ω.

Illustration for Question 14.

 

510 volt.
45 volt.
6 volt.
22.5 volt.
90 volt.

 

Very little power is transmitted compared to direct current.
An electron gradually works from one end of the circuit to the other.
A battery provides the power.
The voltage has both positive and negative peaks.

 

2 watts.
.2 watts.
12 watts.
20 watts.

 

Illustration for Question 18A.
A.

Illustration for Question 18B.
B.

Illustration for Question 18C.
C.

Illustration for Question 18D.
D.

Illustration for Question 18E.
E.

 

The time it takes the capacitor to fully charge.
15 the time it takes the capacitor to fully charge.
5 times it takes the capacitor to fully charge.
The time it takes the resistor to fully charge.

 

200 amps
12 amp
2 amps
0 amps

Illustration for Question 20.