Multiple Choice Question (MCQ)

Question: Which material conducts electricity?
A. Mica
B. Paper
C. Glass
D. Copper
Correct Answer: Copper
Explanation

Key Properties of Copper
Excellent heat conductivity.
Excellent electrical conductivity.
Good corrosion resistance.
Good biofouling resistance.
Good machinability.
Retention of mechanical and electrical properties at cryogenic temperatures.
Non-magnetic