Which of the following devices does NOT rely upon the principles of electromagnetism to function?
A. Solenoid
B. Headlight
C. Relay
D. Ignition coil
Answer: B
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Sampling soil and testing the sample or testing samples of a plant can provide answers about how
much fertilizer to apply for the best return at the least environmental risk.
Indicate whether the statement is true or false.
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Series circuits have all the parts of the circuit in a ____________________ path.
Fill in the blank(s) with the appropriate word(s).
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To extend the melting time of a snow-melting system, controllers can use a(n) _____.
a. off-delay timing function b. a snow sensor c. ambient thermostat control d. mineral-insulated (MI) cable
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The pollination of flowers is the most valuable aspect of the honeybee industry
Indicate whether the statement is true or false
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