The e.m.f. of an Edison cell, when fully charged, is nearly 2.0 V 1.4 V 2.5 V 1.8 V TRUE ANSWER : ? YOUR ANSWER : ?
While preparing electrolyte for a lead-acid battery water is poured into acid anyone of the two can be added to other chemical none of the listed here acid is poured into water TRUE ANSWER : ? YOUR ANSWER : ?
Excessive formation of lead sulphate on the surface of the plates happens because of allowing a battery to stand in discharged condition for a long time persistent undercharging low level of electrolyte all of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
Electrolyte used in a lead-acid cell is dilute H₂SO₄ only H₂SO₄ only water NaOH TRUE ANSWER : ? YOUR ANSWER : ?
Internal resistance of a cell is due to surface contact resistance between electrode and electrolyte all of the listed here electrode resistance resistance of electrolyte TRUE ANSWER : ? YOUR ANSWER : ?
Battery container should be acid resistance, therefore it is made up of Plastic Wood All of the listed here Glass TRUE ANSWER : ? YOUR ANSWER : ?
Cell short circuit results in reduced gassing on charge low sp. gravity electrolyte abnormal high temperature all of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
The ampere-hour efficiency of a leadacid cell is normally between 20 to 35% 80 to 85% 70 to 75% 90 to 95% TRUE ANSWER : ? YOUR ANSWER : ?
Excessive charging a battery tends to to corrode the positive plates into lead peroxide thereby weakening them physically produce gassing bring about all above changes increase the internal resistance of the battery TRUE ANSWER : ? YOUR ANSWER : ?