WorksheetsElectrical Current Pre Quiz
Total questions: 15
Worksheet time: 8mins
Alternating current is one type of electrical current; what is the other type?
In-rush current
River current
Direct current
Unaltered current
Which of the following is not a component of a basic electrical circuit?
Input device
Output device
Insulator
Power supply
A(n) ________ determines if electricity is present in a circuit.
Ohmmeter
Circuit tester
Ammeter
Solenoid
A simple method for opening or closing a circuit is to use a _________.
Switch
Wire
Battery
Resistor
Rotary motion is the output of which electrical output device?
Buzzer
Resistor
Motor
Solenoid
A knife switch consists of a lever and one or more sets of _________.
Contacts
Wires
Springs
Bolts
Electricity is the flow of ________ in a conductor.
Protons
Neutrons
Electrons
Photons
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.
All of the above
Constant voltage power supplies will maintain a constant voltage output under varying ________.
Loads
Weather conditions
Levels of light
Chemical reactions
Describe the function of the four basic components of an electrical circuit.
To provide mechanical support
To store electrical energy
To control the flow of electricity
To convert electrical energy into light
Describe the operation of N.O. and N.C. contacts and give their schematic symbols.
Normally open and normally closed contacts
Non-operational and non-conductive contacts
Neutral and negative contacts
Non-linear and non-circular contacts
What is the operation of five types of electrical output devices?
To store data
To provide mechanical energy
To convert electrical energy into other forms
To increase resistance
What is the function of three types of manual switch operators?
To store electrical energy
To provide automatic control
To manually control circuit operations
To convert AC to DC
What is the operation of three types of manual switch operators?
To automatically control circuits
To manually open or close circuits
To increase circuit resistance
To decrease circuit voltage
Define electricity and give an application.
A form of mechanical energy
A form of chemical energy
A form of energy resulting from charged particles
A form of thermal energy
