(b) A resistance temperature detector has a resistance of 150 2 at 20°C. The temperature coefficient of resistance, a20 = 0.0065. The dissipation constant is 30 mW/°C. The RTD is placed in an oven that is set at 120 °C. The current supplied to the RTD is 10 mA. Determine: The temperature rise due to self-heating of the RTD The temperature value as indicated on the RTD. (iii) The resistive value of the RTD in the oven. (iv) The percentage of error in temperature measurement due to self-heating effect. (i)

(b) A resistance temperature detector has a resistance of 150 2 at 20°C. The temperature coefficient of resistance, a20 = 0.0065. The dissipation constant is 30 mW/°C. The RTD is placed in an oven that is set at 120 °C. The current supplied to the RTD is 10 mA. Determine: The temperature rise due to self-heating of the RTD The temperature value as indicated on the RTD. (iii) The resistive value of the RTD in the oven. (iv) The percentage of error in temperature measurement due to self-heating effect. (i)

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

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