1.

Fuel cell is an electrical cell which converts chemical energy into electrical energy. The most successful fuel cell is H_(2)-O_(2) fuel cell, which is known as Bacon cell. It had been used to fulfil the electric power supply required in Appolo mission. This fuel cell is pollution free. Fuel cells are preferred to other energy producing devices in space because of

Answer»

HIGH EFFICIENCY
pollution free NATURE
less weight
all of these

Solution :(d) All are CORRECT.


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