| Electricity Exam F03 | Student Name: |
| 1 |
In a series circuit, the value of the resistance is combined. |
| 2 |
The North American electrical grid operates at 50 cycles per second. |
| 3 |
Only some diodes emit light. |
| 4 |
Copper wire has a magnetic field when electricity is not flowing through it |
| 5 |
I = V/R |
| 6 |
When wired in series, battery voltage is averaged |
| 7 |
Capacitors store a charge |
| 8 |
an NPN transistor uses a large amount of current to control a small amount of current |
| 9 |
The end pole on a potentiometer indicates the wiper |
| 10 |
A solar cell is a kind of diode |
| What it looks like |
schematic |
what it
is
|
| 1 |
Resistor |
|
| 2 |
 |
|
| 3 |
Light Emitting Diode |
|
| 4 |
 |
|
5  |
||
| 6 |
potentiometer |
|
| 7 |
 |
|
| 8 |
capacitor | |
9  |
||
| 10 | photocell |
| color code |
value |
| 1 brown black brown gold |
|
| 2 yellow violet red gold |
|
| 3 red red orange silver |
|
| 4 brown black red gold |
|
| 5 brown black black gold |
|
| 6 red black yellow silver |
|
| 7 orange orange brown |
|
| 8 brown black yellow |
|
| 9 green brown black gold |
|
| 10 blue gray red gold |
