AC/DC Exam Study Guide Questions with
Expert Solutions
Electricity is the flow of __________ in a conductor. - Answer electrons
Alternating current is one type of electrical current; what is the other type? - Answer
Direct current
The electrical wall outlets at home are a source of __________ current. - Answer
alternating
A(n) __________ determines if electricity is present in a circuit. - Answer circuit tester
Which of the following is not a component of a basic electrical circuit? - Answer
Insulator
Constant voltage power supplies will maintain a constant voltage output under
varying __________. - Answer loads
Which of the following is true of an electrical schematic diagram? - Answer
Represents components with standard symbols.
Shows how the components are interconnected
Is helpful in troubleshooting a circuit (ALL OF THE ABOVE)
A simple method for opening or closing a circuit is to use a __________. - Answer
switch
The contacts of a(n) __________ switch are open until acted on by the operator. -
Answer Normally open
Which of the following is a manually operated switch? - Answer Pushbutton switch
Selector switch
