Question

a) Thermistor which its short form known as thermal resistor is a thermal sensitive resistor made of ceramic-like conducting materials. If given a thermistor of ? = 3140 K initially has a resistance Ro = 2600 ? at temperature To = 35 C, determine the resistance of the thermistor at the following temperatures: i.-100 C ii.-50 C iii. 0 C iv. 50 C v. 150 C b) A platinum resistance thermometer has a resistance of 140.5 ? and 100.0 ? at 100 C and 0 C respectively. Its resistance becomes 305.3 ? when it is in contact with a hot gas. Given the temperature of the gas is 650 C and the coefficient of platinum is 0.0039 C ?¹, determine the resistance of the thermometer.

          a) Thermistor which its short form known as thermal resistor is a thermal sensitive resistor made of ceramic-like conducting materials. If given a thermistor of ? = 3140 K initially has a resistance Ro = 2600 ? at temperature To = 35 C, determine the resistance of the thermistor at the following temperatures:

i.-100 C
ii.-50  C
iii. 0  C
iv. 50  C
v. 150  C

b) A platinum resistance thermometer has a resistance of 140.5 ? and 100.0 ? at 100 C  and 0 C  respectively. Its resistance becomes 305.3 ? when it is in contact with a hot gas. Given the temperature of the gas is 650 C  and the coefficient of platinum is 0.0039 C ?¹, determine the resistance of the thermometer.

a) Thermistor which its short form known as thermal resistor is a thermal sensitive resistor made of ceramic-like conducting materials. If given a thermistor of ? = 3140 K initially has a resistance Ro = 2600 ? at temperature To = 35 C, determine the resistance of the thermistor at the following temperatures:

i.-100 C
ii.-50 C
iii. 0 C
iv. 50 C
v. 150 C

b) A platinum resistance thermometer has a resistance of 140.5 ? and 100.0 ? at 100 C and 0 C respectively. Its resistance becomes 305.3 ? when it is in contact with a hot gas. Given the temperature of the gas is 650 C and the coefficient of platinum is 0.0039 C ?¹, determine the resistance of the thermometer.

Added by Mariano V.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Supratim Pal

02/11/2022

Step 1

Step 1: Calculate the resistance of the thermistor at -100°C using the formula \( R_2 = R_1 \times e^{B \times \left(\frac{1}{T_1} - \frac{1}{T_2}\right)} \), where \( R_1 = 2600 \Omega \), \( B = 3140 K \), \( T_1 = 308 K \), and \( T_2 = 173 K \). Show more…

Show all steps

Thanks for your feedback!

a) Thermistor which its short form known as thermal resistor is a thermal sensitive resistor made of ceramic-like conducting materials. If given a thermistor of ̠ = 3140 K initially has a resistance Ro = 2600 ̦ at temperature To = 35 C, determine the resistance of the thermistor at the following temperatures: i. -100 C ii. -50 C iii. 0 C iv. 50 C v. 150 C b) A platinum resistance thermometer has a resistance of 140.5 ̦ and 100.0 ̦ at 100 C and 0 C respectively. Its resistance becomes 305.3 ̦ when it is in contact with a hot gas. Given the temperature of the gas is 650 C and the coefficient of platinum is 0.0039 C ⁻¹, determine the resistance of the thermometer.