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

Related Mcqs:

1. The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is____________?

   A. just one
   B. always greater than one
   C. always less than one
   D. none of the above

2. The ampere-hour efficiency of a lead acid cell is normally between_________?

   A. 20 to 30%
   B. 40 to 50%
   C. 60 to 70%
   D. 90 to 95%

3. The average charging voltage for alkali cell is about__________?

   A. 1 V
   B. 1.2 V
   C. 1.7 V
   D. 2.1 V

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

   A. equal to
   B. less than
   C. more than
   D. much more than

5. 48 ampere-hour capacity would deliver a current of___________?

   A. 48 amperes for 1 hour
   B. 24 amperes for 2 hours
   C. 8 amperes for 6 hours
   D. 6 amperes for 8 hours

6. Ampere hour capacity of an industrial battery is based on _______ hours discharge rate

   A. 8
   B. 12
   C. 16
   D. 24

7. 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

8. Life of the Edison cell is at least_____________?

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

9. Electrolyte used in an Edison cell is___________?

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

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

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