Self charge of a Ni-Fe cell is _______ Edison cell

Related Mcqs:

1. The e.m.f. of an Edison cell, when fully charged, is nearly______________?

   A. 1.4 V
   B. 1 V
   C. 0.9 V
   D. 0.8 V

2. On the average the ampere-hour efficiency of an Edison cell is about__________?

   A. 40%
   B. 60%
   C. 70%
   D. 80%

3. Life of the Edison cell is at least_____________?

   A. five years
   B. seven years
   C. eight years
   D. ten years

4. Electrolyte used in an Edison cell is___________?

   A. NaOH
   B. KOH
   C. HC1
   D. HN03

5. The internal resistance of a lead-acid cell is that of Edison cell____________?

   A. less than
   B. more than
   C. equal to
   D. none of the above

6. Negative plate of an Edison cell is made of__________?

   A. copper
   B. lead
   C. iron
   D. silver oxide

7. The body of Edison cell is made of___________?

   A. bakelite
   B. rubber
   C. nickel plated steel
   D. aluminium

8. Specific gravity of electrolyte in Edison cell is_____________?

   A. 0.8
   B. 0.95
   C. 1.1
   D. 1.21

9. As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its__________?

   A. compactness
   B. lower e.m.f.
   C. small quantity of electrolyte used
   D. higher internal resistance

10. When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in___________?

    A. charged state
    B. discharged state
    C. both (A) and (B)
    D. active state