Before switching on a circuit, you should:

  1. check the connections and that meters are connected the right way round
  2. touch the bare wires
  3. remove the switch
  4. switch on at maximum current
Answer

A) check the connections and that meters are connected the right way round

Prevents damage and injury. SLO P-11-N-01 · Application

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