QUESTION 6 Given is a temperature sensor with a sensing range 0°C... 100°C. This sensor has been exposed to a temperature of 50°C for a long time and is then suddenly exposed to a temperature of 70°C. The output of the sensor is shown below. 70 50 Tin °Celsius 10 20 t in seconds Determine the 90% rise-time of the sensor in seconds, write your answer without the unit.

Fig: 1