Electrical Current Pre Flashcard

Front

Alternating current is one type of electrical current; what is the other type?

Back

Direct current

Front

Which of the following is not a component of a basic electrical circuit? Input device, Output device, Insulator, Power supply

Back

Insulator

Front

A(n) ________ determines if electricity is present in a circuit.

Back

Circuit tester

Front

A simple method for opening or closing a circuit is to use a _________.

Back

Switch

Front

Rotary motion is the output of which electrical output device? Options: Buzzer, Resistor, Motor, Solenoid

Back

Motor

Front

A knife switch consists of a lever and one or more sets of _________.

Back

Contacts

Front

Electricity is the flow of ________ in a conductor.

Back

Electrons

Front

Which of the following is true of an electrical schematic diagram? Represents components with standard symbols. Shows how the components are interconnected. Is helpful in troubleshooting a circuit.

Back

All of the above

Front

Constant voltage power supplies will maintain a constant voltage output under varying ________.

Back

Loads

Front

Describe the function of the four basic components of an electrical circuit.

Back

To control the flow of electricity