Cells are connected in series in order to none of the above increase the voltage rating increase the current rating increase the life of the cells increase the voltage rating Five 2 V cells are connected in parallel. The output voltage is 2 V 1 V 1.5 V … Read More »
Lead-acid cell has a life of nearly charges and discharges 1000 700 500 1250 1250 Electrolyte used in a lead-acid cell is NaOH onlyH2S04 dilute H2SO4 only water dilute H2SO4 Negative plate of an Edison cell is made of iron silver oxide lead … Read More »
The best indication about the state of charge on a lead-acid battery is given by specific gravity of electrolyte none of the above temperature of electrolyte output voltage specific gravity of electrolyte As compared to constant-current system the constant-voltage system of charging a lead acid cell has the advantage of … Read More »
A dead storage battery can be revived by a dose of H2SO4 none of the above adding distilled water adding so-called battery restorer none of the above As compared to a lead-acid cell the efficiency of a nickel-iron cell is less due to its higher internal resistance compactness … Read More »
Batteries are charged by motor generator sets engine generator sets rectifiers any one of the above methods any one of the above methods Cell short circuit results in low specific gravity electrolyte abnormal high temperature all above reduced gassing on charge all above The capacity of a battery… Read More »
Under normal charging rate the charging current should be 10% of capacity 40% of capacity 30% of capacity 20% of capacity 10% of capacity Satellite power requirement is provided through solar cells nickel-cadmium cells dry cells lead-acid batteries solar cells A constant-voltage generator has high internal… Read More »
All the electrical connections between the battery and vehicle should be by rigid cables flexible cables thin aluminium wires thin copper wires flexible cables Persons preparing electrolyte should wear all above safety devices goggles or other face shield rubber rubber boots and gloves all above safety devices… Read More »
In a lead-acid battery the energy is stored in the form of electromagnetic energy electrostatic energy charged ions chemical energy chemical energy Extent of corrosion in the underground metal work depends upon amount of moisture type of metals all above factors type of soil chemicals all above… Read More »