The answer would have to be 7
Answer:
Explanation: Please see the attached picture for answer.
Sensor/Detectors/Transducers are electrical, opto-electrical, or electronic devices composed of specialty electronics or otherwise sensitive materials, for determining if there is a presence of a particular entity or function. Many vehicles including cars, trains, buses etc. all use sensors to monitor oil temperature and pressure, throttle and steering systems and so many more aspects.
Answer:
B
Explanation:
it's does not transmit any energy
