A 1.0-m length of nichrome wire has a radius of 0.50 mm and a ...

[rayancarla1]

A 1.0-m length of nichrome wire has a radius of 0.50 mm and a resistivity of 1.0  10-6   m. When this wire carries a current of 0.50 A, what is the voltage across its ends?
 
  A) 0.0030 V
  B) 0.32 V
  C) 0.64 V
  D) 1.6 V

Question 2

In - decay, the number of protons in the nucleus is
 
  A) decreased by 1.
  B) decreased by 2.
  C) increased by 1.
  D) increased by 2.
  E) remains unchanged.

[ErinKing]

Answer to Question 1

C

Answer to Question 2

C