Five 2 V cells are connected in parallel. The output voltage is__________?
Five 2 V cells are connected in parallel. The output voltage is__________?
A. 1 V
B. 1.5 V
C. 1.75 V
D. 2 V
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The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity. The statement is associated with____________?
The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity. The statement is associated with____________?A. Newton’s law
B. Faraday’s law of electromagnetic
C. Faraday’s law of electrolysis
D. Gauss’s lawThe lead-acid cell should never be discharged beyond____________?
The lead-acid cell should never be discharged beyond____________?A. 1.8 V
B. 1.9 V
C. 2 V
D. 2.1 VExcessive charging a battery tends to____________?
Excessive charging a battery tends to____________?A. produce gassing
B. increase the internal resistance of the battery
C. to corrode the positive plates into lead peroxide thereby weakening them physically
D. bring about all above changesIt is noticed that durum charging___________?
It is noticed that durum charging___________?A. there is a rise in voltage
B. energy is absorbed by the cell
C. specific gravity of H2SO4 is increased
D. the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)
E. all of the aboveCharging a sulphated battery at high rate results in___________?
Charging a sulphated battery at high rate results in___________?A. boiling of electrolyte due to gassing
B. warg of plates
C. damage to separators, cell caps covers and battery case due to excessive temperature
D. all aboveFollowing will happen if battery charging rate is too high______________?
Following will happen if battery charging rate is too high______________?A. excessive gassing will occur
B. temperature rise will occur
C. bulging and buckling of plates will occur
D. all above will occur