Multiple choice

Which of these objects is NOT needed to test electrical conductivity?

  1. Battery

  2. Object powered by electricity

  3. Insulated wire

  4. Electrical tape

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

To test electrical conductivity, you need a power source (battery), a path for current (wire), and an object to test. Electrical tape is an insulator used to cover connections and is not required to complete the circuit for testing.