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Cards In This Set
| Front | Back |
 What does this symbol represent? |
 A battery. |
 What is the function of a LED light? |
An LED gives off light when electricity flows through it. It has a positive (anode) and negative (cathode) side to it. It will not work if put in backwards.
|
 True or false? A resistor is a component used to control the amount of electricity flowing in a circuit. |
True.
|
 What is this? a) LED b) Potentiometer c) Photocell |
The answer is b)
|
 What does this symbol represent? |
 A photocell. |
 What is the function of a Diode? |
A diode is a device that allows current to flow through it in one direction only.
|
 True or False? A SCR is a device used to store energy much like a battery. |
False.
An SCR allows current to flow through it ONLY after a positive voltage is applied to the gate. |
 What is this? a) Electrolytic Capacitor b) NPN Transistor c) Disc Capacitor |
The answer is c)
|
 What does this symbol represent? |
A Electrolytic Capacitor.
|
 What is the function of a NPN Transistor? |
The transistor works as a current amplifier.
|
 True or False? The PNP transistor works as a current amplifier. |
True.
|
 What is this? a) Push switch b) Toggle switch c) Touch switch |
The answer is b)
|
 What is this? a) Push switch b) Toggle Switch c) PNP transistor |
The answer is a)
|
 What does this symbol represent? |
A touch switch.
|
 What is the function of a speaker? |
A pulsating device that converts electricity into sound waves.
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