Question
Download Solution PDFWhich of the following converts a physical parameter to an electrical signal?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 4.
Transducers are used to convert a physical parameter to an electrical signal. Common examples of transducers include microphones, loudspeakers, thermometers, position, and pressure sensors, etc.
A transformer is a device that transfers electric energy from one alternating-current circuit to one or more other circuits, either increasing (stepping up) or reducing (stepping down) the voltage.
A speaker is a device for converting electrical energy into acoustical signal energy that is radiated into a room or open air.
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