2. which of the following group of materials are good conductors of electricity?
A. Aluminum, gold, rubber, steel
B. Aluminum, copper, gold, steel
C. Cloth, Gold, Leather, plastic, rubber, etc.
D. Cloth, leather, paper plastic, wood
3. which of the following group of materials are insulators?
A. aluminum, book, paper, plastic.
B. gold, iron , nickel, silver, gold
C. rubber, glass, plastic, wood.
D. aluminum, copper, glass, gold.
Answers & Comments
Verified answer
number 2. is leter b.
number 3. is leter c.