A. 10 hrs
B. 18 hrs
C. 20 hrs
D. 25 hrs
Correct Answer:
Option B – 18 hrs
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
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