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Heat and temperature

1. How much heat is required to raise the temperature by 10 degrees Celsius of one kg of water and iron? 2. Two identical objects (the same mass, material) at temperatures T1 = 20 degrees and T2 = 30 degrees are in contact. What is the final temperature of these objects after they reach thermal equilibrium?

Thermistor connected to ADC

A thermistor is used to monitor the temperature of the cooling air to a motor control unit. The air temperature must remain in the range 0 degree Centigrade to 70 degree Centigrade for correct operation. The thermistor is connected to a 12-bit ADC as shown in Figure A3 in the attachment. (i) What are the maximum and minimum