The time constant of a capacitor is:

A) directly proportional to the resistance in the circuit.
B) directly proportional to the capacitance in the circuit.
C) the time required to charge to 63% or discharge to 37%.
D) all of these.


D

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The term ____________________ is used to distinguish actual devices that exist and must be physically wired from the internal functions of the PLC system that duplicate the function of relays, timers, counters, and so on, even though none physically exists.

Fill in the blank(s) with the appropriate word(s).

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Soccer players usually like to play on a flat surface, but if a crown or slope is not used, the field must have excellent ___________

Fill in the blank(s) with correct word

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Why must plants store carbohydrates?

What will be an ideal response?

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If an insulated wire rubbed through a part of the insulation and the wire conductor touched the steel body of a vehicle, the type of failure would be called _____________

A) A short to voltage B) A short to ground C) An open D) A chassis ground

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