1.
How many leads does a PHOTOCELL have?
2.
Does a PHOTOCELL have polarity?
3.
What causes the PHOTOCELL to vary its resistance?
4.
What part of the PHOTOCELL is sensitive to light?
5.
Does an LED have polarity?
6.
What will cause the resistance of the PHOTOCELL to increase?
7.
This circuit has how many electronic parts?
8.
What do you use to shield the light from hitting the PHOTOCELL?
9.
This circuit has an LED, a ___________, and a BATTERY.
10.
True or False, an LED is sensitive to light?
