Electrolysis and Storage Batteries The e.m.f. of an Edison cell, when fully charged, is nearly 1.8 V 2.5 V 1.4 V 2.0 V 1.8 V 2.5 V 1.4 V 2.0 V ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 25 to 35% 70 to 80% 90 to 95% 40 to 60% 25 to 35% 70 to 80% 90 to 95% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries For a cell to work, which of the following condition(s) become necessary ? Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other All of the listed here Electrolyte must chemically react with one of the electrodes Electrolyte liquid or paste should be conducting Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other All of the listed here Electrolyte must chemically react with one of the electrodes Electrolyte liquid or paste should be conducting ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries All the electrical connections between the battery and vehicle should be by thin aluminium wires thin copper wires flexible cables rigid cables thin aluminium wires thin copper wires flexible cables rigid cables ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Petroleum jelly is applied to the electrical connections to the lead-acid battery reduce path resistance prevent local heating prevent corrosion prevent short-circuiting reduce path resistance prevent local heating prevent corrosion prevent short-circuiting ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries 48 ampere-hour capacity would deliver a current of 8 amperes for 6 hours 48 amperes for 1 hour 6 amperes for 8 hours 24 amperes for 2 hours 8 amperes for 6 hours 48 amperes for 1 hour 6 amperes for 8 hours 24 amperes for 2 hours ANSWER DOWNLOAD EXAMIANS APP
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