18 Questions
What component converts electrical energy into mechanical energy?
DC Motor
Which component is used for storing and releasing electrical energy in the form of an electrostatic field?
Capacitor
What component controls the flow of electrical current in a circuit by making or breaking connections?
Diode
Which component transduces acoustic energy into electrical energy?
Transistor
In which component does capacitance determine its ability to store charge and influence current flow?
Capacitor
What component is used to convert sound waves into electrical signals?
Transistor
What electrical component protects circuits from overcurrent conditions by interrupting the circuit when subjected to excessive current flow?
Diode
Which electrical component stabilizes voltage levels in circuits and reduces electrical noise?
Capacitor
In electrical systems, which component provides a reference point for circuits and is represented by the symbol ⏚ in circuit diagrams?
Capacitor
Which component acts as a sacrificial element in electrical circuits, breaking the circuit in case of a short circuit or overload to prevent fires and equipment damage?
Resistor
Which component serves as a safety measure by directing excess electrical current to the earth, preventing electrical shock and equipment damage?
Resistor
Which component is commonly used in power distribution, electronics, and telecommunications systems, providing a constant voltage level with a single polarity?
Diode
What is the main function of a buzzer?
Converting electrical energy into sound energy
Which device emits light when current flows through it in the forward direction?
Light-emitting diode (LED)
What does a loudspeaker convert electrical signals into?
Audible sound waves
In which type of motor do magnetic fields interact to produce rotational motion?
Synchronous motor
What distinguishes a light-emitting diode (LED) from traditional light sources?
It is highly efficient and long-lasting
Which of the following devices is NOT used for converting electrical signals into audible sound waves?
Motors
Test your knowledge about electrical fuses, which provide a constant voltage level with a single polarity and protect circuits from overcurrent conditions. Learn about how fuses work as sacrificial elements to prevent fires and equipment damage.
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