What is the function of a power supply?
What will be an ideal response?
The power supply is a device that provides electricity of proper type and amount to circuits. They
increase or decrease the incoming AC voltage by means of a transformer, convert AC to DC current by
using a rectifier, and control voltage output with a voltage regulator. Also, a filter converts pulsating
DC voltage to smooth voltage.
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One of the signs of a ____ infestation is a slightly silvery cast to leaves, non-characteristic to an
otherwise healthy, green color plant. This is a result of cells dying, one by one, due to their contents being drunk by colony members.
a. spider mite c. scale b. mealybug d. shore fly
The viscosity of engine oil is found where?
A) Lubrication guide B) Factory service manual or service information C) Owners manual D) All of these
Joint sealants that have excellent flexibility and elongation properties are classified as _____
a. polymeric b. thermoplastic c. elastomeric d. hydrostatic
Air in homes tends to be drier in the winter. Why?
What will be an ideal response?