Common EntranceBasic ScienceElectricity

Which of these is a good conductor of electricity?

AcopperCORRECT
Brubber
Cglass
Dwood
AI
Toaster Teacher
Why the answer is A, and why the others tempt you.
Copper is a metal and lets electricity flow; rubber, glass and wood are insulators.
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →

Practice more Basic Science questions

Common Entrance Basic Science has thousands more questions like this — with Worked answers on every one.