A 12 V, 40 Ah lead-acid battery supplies a 60 W DC pump through a controller that is…
PHYSICS · Subjective · CBSE · Physics · Current Electricity · Current Electricity
Problem
A 12 V, 40 Ah lead-acid battery supplies a 60 W DC pump through a controller that is 85 % efficient. Calculate the time, in hours, for which the pump can be operated before the battery is discharged.