Electrical Components and Symbols - JSS1 Basic technology Past Questions and Answers - page 1
What is the primary purpose of electrical components in electronic circuits?
To provide mechanical support
To regulate the flow of electric current
To generate heat
To store light energy
What do circuit symbols represent in electrical diagrams?
Physical size of components
Temperature of components
Electrical properties of components
Weight of components
Which component stores and releases electrical energy?
Resistor
Capacitor
Diode
Transistor
What is the function of resistors in electrical circuits?
To store electrical energy
To regulate the flow of electric current
To amplify electrical signals
To act as a switch
What do circuit symbols provide in electrical diagrams?
Detailed drawings of components
A standardised way to convey circuit information
Physical dimensions of components
Colour codes for components
Which of the following is NOT a function of electrical components?
Regulating electric current
Generating light energy
Storing electrical energy
Amplifying electrical signals
What is the purpose of circuit diagrams?
To provide a detailed description of components
To visualise the physical size of components
To represent electrical connections and components
To measure the weight of components
Which component regulates the flow of electric current?
Capacitor
Resistor
Diode
Transistor
What skill does interpreting circuit symbols and diagrams help develop?
Cooking
Problem solving
Gardening
Painting
What do electrical components serve as in electronic circuits?
Building blocks
Decorations
Sound amplifiers
Mechanical support