Question

(a) What are good conductors?
(b) Name four solid conductors and one liquid conductor​

Answer 1

Answer:

(a) A conductor is a material which contains movable electric charges. In metallic conductors such as copper or aluminum, the movable charged particles are electrons. ... Insulators are non-conducting materials with few mobile charges; they carry only insignificant electric currents.

(b) iron , gold , wood , metal and liquid conductor = Mercury ,

Answer 2

A conductor is a material which electricity, heat or sound can flow through. An electrical conductor conducts electricity. The ability to conduct electricity is called electrical conductivity. ... This means that electricity can flow through them, but not very well. Some materials are resistors.
Iron Gold Wood Metal & liquid conductor is Mercury
Hope my answer will help you