Question

(i) Which particles are responsible for current in conductors?
(ii) To which wire of a cable in a power circuit should the metal case of a geyser be connected?
(iii) To which wire should the fuse be connected ?

Answer 1

(i) Free electrons are responsible for current in conductors.
(ii) In a power circuit, the metal case of a geyser should be connected to Earth wire (Green).
(iii) The fuse should be connected to Live wire (Red).