A car battery rated 45 A H is charged with a charger whose rating is 2.5A.How long will it take to charge the battery full?
-
A.
10 hrs -
B.
18 hrs -
C.
20 hrs -
D.
25 hrs
Correct Answer: Option B
Explanation
For a car battery rated 45 AH, being charged by a charger of 2.5 A rating, the time for the battery to be fully charged is given by:
T = (45)/2.5 = 18 hrs