Physics · Transducers

Which of the following best describes an active transducer?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1A device that generates an electrical signal directly from a physical quantity without external power✓
2A device that converts one form of energy to another using an external excitation source
3A device that amplifies the signal from a passive transducer
4A device that requires external power to produce output

Correct answer

A device that generates an electrical signal directly from a physical quantity without external power

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