Which among the following transducer is an example of active transducer?
a) LDR (Light dependant sensor)
b) Strain gauge
c) Hall effect sensor
d) Photovoltaic cell
Answer:
d) Photovoltaic cell
Explanation:
Active transducers include photovoltaic cells. Transducers that transform one kind of energy to another without the use of an external power source are known as active transducers. Solar panels contain photovoltaic cells, which convert sunlight into electricity.
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