Some substances readily allow the passage of electricity through them. What are they called?
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → Conductors
NCERT (2026-27):
Conductors and Insulators – “Some substances readily allow passage of electricity through them, others do not. Those which allow electricity to pass through them easily are called conductors. They have electric charges (electrons) that are comparatively free to move inside the material.”