113) The mass of a substance liberated from an electrolyte by one coulomb of electricity is termed as :

114) What is the method of charging the battery is called, when the battery is charged at a very low rate ?

115) Four number of cells are connected in parallel and the rating of each cell is 1.5 V and 16 Ah. What will be the "Ah" rating of this battery ?

116) The ampere-hour capacity of the battery in an emergency tube light having two 20 cm tubes will be :

117) At the time of charging a lead-acid battery which one of the harmful gas evolute ?