MonkeyDAceidn
Answered

IDNStudy.com, kung saan ang iyong mga tanong ay may mabilis na sagot. Magtanong ng anumang bagay at makatanggap ng detalyadong sagot mula sa aming komunidad ng mga eksperto.

A certain copper winding has a resistance of 0.25ohm at a temperature of 18° Calculate the temperature rise in the winding when, after a period of operation, the resistance increases to 0.31ohm. The temperature coefficient of resistance of copper is 4.4 x 10-3 /°C

Sagot :

Ladoresdominiqueidn

Answer:

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity?

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? 

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity.

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity.

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity. 

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity. Usually the reference temperature is 20 �C, ρ0 is the resistivity at 20 �C, but it can be any temperature you know the resistivity at.

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity. Usually the reference temperature is 20 �C, ρ0 is the resistivity at 20 �C, but it can be any temperature you know the resistivity at. 

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity. Usually the reference temperature is 20 �C, ρ0 is the resistivity at 20 �C, but it can be any temperature you know the resistivity at. 

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity. Usually the reference temperature is 20 �C, ρ0 is the resistivity at 20 �C, but it can be any temperature you know the resistivity at.  

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity. Usually the reference temperature is 20 �C, ρ0 is the resistivity at 20 �C, but it can be any temperature you know the resistivity at.  

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity. Usually the reference temperature is 20 �C, ρ0 is the resistivity at 20 �C, but it can be any temperature you know the resistivity at.   

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity. Usually the reference temperature is 20 �C, ρ0 is the resistivity at 20 �C, but it can be any temperature you know the resistivity at.   

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity. Usually the reference temperature is 20 �C, ρ0 is the resistivity at 20 �C, but it can be any temperature you know the resistivity at.    

13. A coil of wire has a resistance of 38.0 Ω at 25 �C and 43.7 Ω at 55 �C. What is the temperature coefficient of resistivity? Resistance with temperature dependence is found from using temperature dependence of the resistivity. Usually the reference temperature is 20 �C, ρ0 is the resistivity at 20 �C, but it can be any temperature you know the resistivity at.    Again, we need to know what the resistance R0 is at the reference temperature T0.� Here we can use the 25 �C as our reference temperature.� Since we know RT, R0, T, and T0� we can solve for a

Salamat sa iyong presensya. Patuloy na magtanong at magbahagi ng iyong mga ideya. Ang iyong kaalaman ay mahalaga sa ating komunidad. Bawat tanong ay may sagot sa IDNStudy.com. Salamat sa pagpili sa amin at sa muling pagkikita.