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.