depolarization

electrolysis

local action

polarization

prevents or slows down local action

speeds up electro-chemical action

improves specific gravity

prevents polarization

current value

specific gravity

acid contents

voltage output

changing the cell

amalgamating the zinc electrode with mercury

using a cell for few minutes only

making a dry cell

chemical energy to mechanical energy

chemical energy to electrical energy

electrical energy into mechanical energy

electrical energy into magnetic energy