A common use for electrolytic capacitors found in power supplies is ________
A) passing AC B) decoupling C) filtering D) blocking DC
C
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Investigate current designs for one or more of the items listed below. If you do not have the items in your possession, purchase them or borrow from friends. Conduct the following “reverse engineering” procedures on each of the items:
(a) Write down the need that the design satisfies. (b) Disassemble the item and list all the parts by name. (c) Write down the function of each of the parts in the item. (d) Reassemble the item. (e) Write down answers to the following questions: ? Does the item satisfactorily solve the need you stated in part (a)? ? What are the strengths of the design? ? What are the weaknesses of the design? ? Can this design be easily modified to solve other needs? If so, what needs and what modifications should be made? ? What other designs can solve the stated need? The items for your study are the following: ? smartphone ? disposable camera ? flashlight ? calculator ? printer
Manufacturers specify in the operational notes that the capacities listed are _____.
a. based on the ground being within 5 percent of level b. based on rotation-resistant wire rope c. with specified counterweights in place d. with no counterweight added
Convert AC power to DC power using _____.
a. diacs b. NPN transistors c. rectifier diodes d. triacs
Premarin is the most prescribed drug in the world
Indicate whether the statement is true or false