e and f only **P7.1 Research and Identify the Type of Sensors Used in the Following Applications:**a. Kitchen ovenb. RPM indicator in vehiclesc. Back-up sensor in certain vehiclesd. Trunk compartment closuree. Refrigerator door closuref. Laptop cooling systemg. Vehicle engine cooling systemh. Servo robot---This text lists several applications where different types of sensors are used, encouraging research to identify each specific sensor type required for these functions.

Sensors: A sensor is a device that detects the input of any kind from the physical world and reacts to it. Light, heat, motion, moisture, pressure, and various other environmental phenomena can all be input.Using a sensor, stimuli like heat, light, sound, and motion are transformed into electrical impulses. These signals are transmitted through a device that converts them into a binary code before sending it to a computer for processing.Explanation: (e) Refrigerator Door closure: Reed switches/sensors, Hall Effect sensors, and other noncontact sensing technologies can be used with refrigerators that include microprocessor control units. A light that illuminates the interior spaces of a refrigerator, freezer, or wine cooler is activated when the door of the appliance is opened. To determine if the appliance door is open or closed, a proximity sensor is required in order to achieve this. The location of the door can be determined using a reed sensor or a Hall Effect sensor. For instance, a permanent magnet actuator is mounted to the door of refrigerators and a reed sensor is affixed to the appliance's frame. Each magnet actuator and reed switch is positioned so that when the door is closed, the light will turn off and the reed switch or Hall Effect sensor will be engaged. The sensor is disabled and the light will turn on in this mode when the door is open because the magnet on the door is outside the sensor's range of activation. To control the light in relation to sensor activation, the controller employs reverse logic. (f) Laptop Cooling system: The most well-known sensor in a computer, the temperature sensor, controls the internal heat produced by CPUs and related circuitry to prevent overheating or freezing. The thermistor, a fibre optic sensor made of a thin gallium arsenide film, is the type of temperature sensor that is most likely to be found inside your phone or laptop. The temperature is determined from the reflected absorption transmission spectrum before the film is applied to the termination of an optical cable. When the internal circuitry temperature rises above a certain point, the sensors alert the cooling fans, which turn on until the temperature falls below the ideal range.

Science

Advanced Physics

P7.1 Research and identify the type of sensors used in the following applications. a. Kitchen oven b. RPM indicator in vehicles c. Back-up sensor in certain vehicles d. Trunk compartment closure e. Refrigerator door closure f. Laptop cooling system

P7.1 Research and identify the type of sensors used in the following applications. a. Kitchen oven b. RPM indicator in vehicles c. Back-up sensor in certain vehicles d. Trunk compartment closure e. Refrigerator door closure f. Laptop cooling system

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Question

e and f only

**P7.1 Research and Identify the Type of Sensors Used in the Following Applications:**

a. Kitchen oven

b. RPM indicator in vehicles

c. Back-up sensor in certain vehicles

d. Trunk compartment closure

e. Refrigerator door closure

f. Laptop cooling system

g. Vehicle engine cooling system

h. Servo robot

---

This text lists several applications where different types of sensors are used, encouraging research to identify each specific sensor type required for these functions.

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