When we talk about electromagnetic energy, what parameter is used to describe it if it represents energy (a) that does not change in time, (b) that changes at rates in the hearing band, (c) that is in the ultrasonic range, (d) that is in the AM radio band, (e) that is in the VHF television band, (f) that is in the FM radio band, (g) that is in the microwave band, (h) that is in the high range for new 5G networks, (i) that is in the infrared band, (j) that is in the ultraviolet band, (k) that is in the x-ray, beta ray, and cosmic ray band?

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Q: Question 17 The BCD equivalent of decimal 109 is 0001 0000 1001BCD 0001 0000 1101BCD 1110 1110…

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Q: List the eight degenerate two-level forms and show that they reduce to a single operation. Explain…

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Ultrasonics sensors

Sensors work by detecting any variation in environmental factors like light, heat, motion, pressure, and so on. If any such variation is detected, then it is converted to an electrical signal so that other electronic devices can process it. Humans have a diverse hearing frequency ranging from 20Hz to 20KHz. Ultrasonic sensors work with a frequency above 20Khz.