What is a cad cell?
What will be an ideal response?
The most common photoconductive device is the cadmium sulfide cell, or cad cell. A cad cell has a resistance of about 50 ohms in direct sunlight and several hundred thousand ohms in darkness. It is generally used as a light-sensitive switch.
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?Always follow the rules, and never engage in ____________ or play "____________" while at work
Fill in the blank(s) with the appropriate word(s).
Zoning laws:
a. Can substantially reduce property value. b. Could drive CAFOs out of the United States. c. May be a legal taking if existing farmers do not have the right to farm. d. All of the above. e. a and c above.
When do the switches on a contactor change position?
A) When both the coil and switches are energized B) When they are energized C) When the coil is energized D) When either the coil or the switches are energized
The sides of a regular heptagonare equal. If the length of each side is expressed as 4.2H + 2, what is the perimeter of the heptagon in terms of H.
What will be an ideal response?