2(vi)
Differentiate between a Touch Sensor and a Proximity Sensor.
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| Touch Sensor | Proximity Sensor |
|---|---|
| It is a contact-type sensor that detects an object only when physical contact or pressure is applied to its surface. | It is a non-contact sensor that detects the presence of an object without touching it. |
| It requires physical contact to generate a signal. | It can use sensing methods such as infrared or ultrasonic sensing to detect nearby objects without physical contact. |