Electrolysis and Storage Batteries 48 ampere-hour capacity would deliver a current of 48 amperes for 1 hour 24 amperes for 2 hours 6 amperes for 8 hours 8 amperes for 6 hours 48 amperes for 1 hour 24 amperes for 2 hours 6 amperes for 8 hours 8 amperes for 6 hours ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In order that a hydrometer may float vertically in electrolyte its C.G. should be displaced sideways raised lowered undisturbed displaced sideways raised lowered undisturbed ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following is incorrect? A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction A lead-acid cell can be recharged A carbon-zinc cell has unlimited shelf life A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction A lead-acid cell can be recharged A carbon-zinc cell has unlimited shelf life ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that they have same make they have same ampere-hour capacity they have same e.m.f. they have identical internal resistance they have same make they have same ampere-hour capacity they have same e.m.f. they have identical internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Petroleum jelly is applied to the electrical connections to the lead-acid battery prevent corrosion prevent short-circuiting reduce path resistance prevent local heating prevent corrosion prevent short-circuiting reduce path resistance prevent local heating ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries On overcharging a battery It will bring about chemical change in active materials It will increase the capacity of the battery None of these It will raise the specific gravity of the electrolyte It will bring about chemical change in active materials It will increase the capacity of the battery None of these It will raise the specific gravity of the electrolyte ANSWER DOWNLOAD EXAMIANS APP
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