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Phys 313 Quiz 14

Question 1

The SI unit of resistivity is ...

  1. ohm
  2. ohm-meter 
   Answer:  b: the ohm-meter

Question 2

If I cut a wire in half, I change its

  1. resistance
  2. resistivity
  3. both 
   Answer:  only its resistance






Question 3



If I heat a wire in boiling water, I change its

    

  1.  resistance

  2.  resistivity

  3.  both





   Answer:    both resistance and resistivity









Creative Commons License
Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.