1000+ Electrolysis and Storage Batteries MCQS Questions with Answers - 1

Question: 1

The active materials on the positive and negative plates of a fully charged lead acid battery are

(A) lead peroxide and lead

(B) lead sulphate and lea

(C) lead and lead peroxide

(D) none of the above

Question: 2

The ampere hour efficiency of a lead acid cell is normally between

(A) 90 to 95%

(B) 60 to 70%

(C) 40 to 50%

(D) 20 to 30%

Question: 3

The substances which combine together to store electrical energy during the charge are called _____ materials.

(A) dielectric

(B) inert

(C) passive

(D) active

Question: 4

The body of Edison cell is made of

(A) aluminium

(B) bakelite

(C) rubber

(D) nickel plated steel

Question: 5

A constant voltage generator has

(A) low internal resistance

(B) high internal resistance

(C) minimum current capacity

(D) minimum efficiency