Fuel cell is an electrical cell which converts chemical energy into electrical energy. The most successful fuel cell is H2-O2 fuel cell, which is known as Bacon cell. It had been used to fulfil the electric power required in Appolo mission. This fuel cell is pollution free.
The cell used in Appolo mission was-
(a) Leclanche cell
(b) Daniell cell
(c) Voltaic cell
(d) Bacon cell
