In a resistance experiment, the wire heating up as current flows is a limitation because:

  1. it makes the wire longer
  2. it is not a limitation
  3. its resistance changes with temperature
  4. it reduces the current to zero
Answer

C) its resistance changes with temperature

Uncontrolled variable. SLO P-11-N-25 · Understanding

Physics MCQ · More Experimental Skills and Data Analysis MCQs · Practise