The temperature coefficient of resistivity for copper is ...

[SGallaher96]

The temperature coefficient of resistivity for copper is 0.0068C-1. If a copper wire has a resistance of 104  at 20C, what is its resistance 80C?
 
  A)
 
  192  
  B)
 
  42  
  C)
 
  71
  D)
 
  161  
  E)
 
  146

Question 2

As the frequency of the ac voltage across a capacitor approaches zero, the capacitive reactance of that capacitor
 
  A)
 
  approaches zero.
  B)
 
  approaches infinity.
  C)
 
  approaches unity.
  D)
 
  none of the given answers

[kjohnson]

Answer to Question 1

E

Answer to Question 2

B

[SGallaher96]

Thanks for the timely response, appreciate it

[nothere]

Gracias!