Can you label the positive and negative legs on this L.E.D ?

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# Can you label the positive and negative legs on this L.E.D ? - PowerPoint PPT Presentation

Test your knowledge. Name:_____________________. 1. 2. 3. Can you circle where your L.E.D’s goes on your P.C.B board??. Can you label the positive and negative legs on this L.E.D ?. Someone has cut the legs on this LED. Now how can you tell which is the negative side?. Year7 Badge.

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Name:_____________________

1.

2.

3.

Can you label the positive and negative legs on this L.E.D ?

Someone has cut the legs on this LED. Now how can you tell which is the negative side?

+

+

___________

___________

____________________________________

+

5. Can you draw the symbol for a resistor?

4.Can you draw the symbol for a L.E.D?

6. What is resistance measured in?________

7. Explain in your own words what a resistor does_________________________

_________________________________________________________________

8. Why do we need a resistor in our circuit?______________________________

_________________________________________________________________

9. Can you circle where you resistors go on your P.C.B board?

10. Using colouring pencils and your colour wheel create a resistor that is the value stated:

The value of this resistor needs to be 110

The value of this resistor needs to be 520000000