Question: A- What are the main differences between: 1- Temperature sensors: RTD/Thermistors 3- Piezoelectric / Capacitive sensors 2- Light sensors curves: LDR / Phototransistor 4-

A- What are the main differences between: 1- Temperature sensors: RTD/Thermistors 3- 

A- What are the main differences between: 1- Temperature sensors: RTD/Thermistors 3- Piezoelectric / Capacitive sensors 2- Light sensors curves: LDR / Phototransistor 4- A/D :Dual slop / and Flash Converter B- If the frequency spectrum of a signal has a bandwidth of 400Hz with the highest frequency at 500 Hz. Suppose an 8 bits are required for encoding of each sample. Calculate the minimum memory size required for storage of this signal for one day? C- Explain the principle of operation of Hall Effect Sensor and mention tow applications for it.

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