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If the temperature would be 25°C then what would be the corresponding output on the LM35 Temperature Sensor?

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If the temperature would be 25°C then what would be the corresponding output on the LM35 Temperature Sensor?

(a) 250mV

(b) 200mV

(c) 25V

(d) 250V

I had been asked this question by my college professor while I was bunking the class.

My question is taken from LM35 Temperature Sensor Module topic in chapter Interfacing of Sensors, Actuators, and Other Modules of Arduino

1 Answer

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Right answer is (a) 250mV

For explanation: The temperature sensitivity of the LM35 Temperature Sensor Module is 10mV/°C which means that the value of the voltage output will increase linearly with the increase in the surrounding temperature, or in other words it is linearly proportional. Hence if the temperature outside is 25°C then the output would be (10×25)mV or 250mV.

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